{"title":"Hanna Instruments Accessories","description":"\u003cp\u003e\u003cspan\u003eEnsure that you have the right accessories on-hand. Shop electrodes, stirrers, and other testing supplies, all in one place.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"hanna-hi740200-ph-electrode-storage-cap-12mm-5-pack","title":"Hanna Instruments pH Electrode Storage Cap HI740200 - 12mm Compression Fitting (5-Pack)","description":"\u003cp\u003e\u003cstrong\u003eProtect and extend the life of your pH electrodes\u003c\/strong\u003e with the Hanna Instruments HI740200 storage cap system. Designed specifically for 12mm diameter probes, these professional-grade storage caps maintain optimal electrode hydration between measurements.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision fit:\u003c\/strong\u003e Compression fitting design for standard 12mm diameter electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal hydration:\u003c\/strong\u003e Holds 1cm of HI70300 storage solution to keep probe tips properly conditioned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded collar:\u003c\/strong\u003e Secure, leak-resistant seal protects during storage and transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional quality:\u003c\/strong\u003e Manufactured in Romania by Hanna Instruments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue pack:\u003c\/strong\u003e Includes 5 storage caps for multiple probes or replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProper Storage Protocol:\u003c\/h4\u003e\n\u003cp\u003eAfter each use, rinse your electrode with recommended cleaner, blot gently with soft tissue, then add 1cm of HI70300 storage solution to the cap. Insert the probe tip and tighten the threaded collar to create an airtight seal.\u003c\/p\u003e\n\n\u003ch4\u003eBefore Next Use:\u003c\/h4\u003e\n\u003cp\u003eUnscrew the top collar to vent the cap before removing the probe. Rinse off any storage solution or salt deposits from the glass body. Always save the cap and collar for continued probe protection.\u003c\/p\u003e\n\n\u003ch4\u003eCare Instructions:\u003c\/h4\u003e\n\u003cp\u003eHandle probes with care during maintenance and measurement. Never drop on hard surfaces as this permanently damages the electrode. Always use the storage cap to protect and hydrate the pH tip during storage or transportation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCompatible with Hanna Instruments pH electrodes and other standard 12mm probes. Storage solution sold separately (HI70300).\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41420429623383,"sku":"HI740200","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi740200__43627.1559321315.1280.1280.jpg?v=1733454349"},{"product_id":"hanna-hi740318-carrying-case-hi96-photometer-protective","title":"Hanna Instruments Carrying Case HI740318 - Protective Case for HI96 Series Photometers","description":"\u003cp\u003e\u003cstrong\u003eProtect your investment and stay organized\u003c\/strong\u003e with the Hanna Instruments HI740318 carrying case. This professional-grade protective case is custom-designed for HI96 series portable photometers, providing secure storage and transport for your instrument, reagents, and accessories in the lab or field.\u003c\/p\u003e\n\n\u003ch4\u003eSuperior Protection Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-fit design:\u003c\/strong\u003e Precision-molded interior specifically for HI96 series portable photometers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Rugged exterior protects against impacts, moisture, and environmental hazards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganized storage:\u003c\/strong\u003e Dedicated compartments for photometer, cuvettes, reagents, and accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure closure:\u003c\/strong\u003e Reliable latching system keeps contents safe during transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable design:\u003c\/strong\u003e Compact and lightweight for easy field work and travel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional appearance:\u003c\/strong\u003e Clean, organized presentation for client-facing work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy a Dedicated Case Matters:\u003c\/h4\u003e\n\u003cp\u003eYour HI96 photometer is a precision instrument that requires protection from drops, moisture, dust, and temperature extremes. The HI740318 carrying case ensures your equipment arrives ready to use, with all necessary accessories organized and accessible. No more searching for reagents or worrying about damaged cuvettes during transport.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional Applications:\u003c\/h4\u003e\n\u003cp\u003eEssential for water treatment professionals, pool service technicians, environmental consultants, aquaculture specialists, and laboratory technicians who need to transport photometric testing equipment between sites. Perfect for field testing, mobile laboratories, client visits, and multi-location operations.\u003c\/p\u003e\n\n\u003ch4\u003eWhat Fits Inside:\u003c\/h4\u003e\n\u003cp\u003eDesigned to accommodate your HI96 series photometer plus essential accessories including glass cuvettes, reagent packets, calibration standards, cleaning supplies, and instruction materials. Everything you need for complete water quality testing in one organized, protective case.\u003c\/p\u003e\n\n\u003ch4\u003eTechnical Specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI740318\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HI96 series portable photometers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProfessional-Grade Quality:\u003c\/h4\u003e\n\u003cp\u003eManufactured by Hanna Instruments to the same exacting standards as their precision testing equipment. Extend the life of your HI96 photometer and maintain professional organization with this purpose-built carrying case.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCompatible with all HI96 series portable photometers. Photometer and accessories sold separately. A smart investment for professionals who demand reliability and organization.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41613465878615,"sku":"HI740318","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/carrying-case-for-portable-96-series-photometers_1.jpg?v=1742257589"},{"product_id":"hanna-hi731331-glass-cuvettes-22mm-photometer-turbidity-4-pack","title":"Hanna Instruments Glass Cuvettes HI731331 - 22mm for HI96 Photometers \u0026 Turbidity Meters (4-Pack)","description":"\u003cp\u003e\u003cstrong\u003eMaintain measurement accuracy\u003c\/strong\u003e with Hanna Instruments HI731331 replacement glass cuvettes. These precision-engineered 22mm optically clear glass cuvettes are essential for accurate photometric and turbidity measurements with HI96 series portable photometers and Hanna turbidity meters.\u003c\/p\u003e\n\n\u003ch4\u003ePrecision Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptically clear glass:\u003c\/strong\u003e High-quality construction ensures accurate light transmission for reliable measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndex mark alignment:\u003c\/strong\u003e Ensures proper positioning in the photometer for consistent results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 ml level mark:\u003c\/strong\u003e Precisely measure the correct sample volume every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22mm diameter:\u003c\/strong\u003e Standard size compatible with HI96 series and turbidity meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue pack:\u003c\/strong\u003e Includes 4 replacement cuvettes (caps sold separately as HI731335N)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy Replace Your Cuvettes:\u003c\/h4\u003e\n\u003cp\u003eClean, scratch-free cuvettes are critical for accurate optical measurements. Even minor scratches, discoloration, or residue can interfere with light transmission and compromise your test results. Regular replacement ensures measurement integrity and reliable data for quality control, compliance testing, and research applications.\u003c\/p\u003e\n\n\u003ch4\u003eOptical System Compatibility:\u003c\/h4\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=335\u0026amp;name=photometer-optical-system-HI96series.png\" alt=\"Hanna HI96 series photometer optical system diagram\" width=\"335\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=168\u0026amp;name=photometer-optical-system-HI96series.png 168w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=335\u0026amp;name=photometer-optical-system-HI96series.png 335w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=503\u0026amp;name=photometer-optical-system-HI96series.png 503w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=670\u0026amp;name=photometer-optical-system-HI96series.png 670w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=838\u0026amp;name=photometer-optical-system-HI96series.png 838w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=1005\u0026amp;name=photometer-optical-system-HI96series.png 1005w\" sizes=\"(max-width: 335px) 100vw, 335px\"\u003e\u003c\/p\u003e\n\n\u003ch4\u003eCompatible Instruments:\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with HI96 series portable photometers and both portable and benchtop Hanna turbidity meters. These are the same high-quality cuvettes supplied with new instruments.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Quality:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments to exacting optical standards. Essential for laboratories, water treatment facilities, aquaculture operations, pool service professionals, and any application requiring precise colorimetric or turbidity analysis.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Cuvette caps (HI731335N) sold separately. Regular replacement recommended for maintaining measurement accuracy and instrument calibration integrity.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41690183139415,"sku":"HI731331","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI731331N-1200by1200__99003.1575299638_1.jpg?v=1745893833"},{"product_id":"hanna-hi731360-glass-cuvettes-caps-hi977-photometer-2-pack","title":"Hanna Instruments Glass Cuvettes HI731360 - Replacement Cuvettes with Caps for HI977 Photometers (2-Pack)","description":"\u003cp\u003e\u003cstrong\u003eMaintain measurement precision\u003c\/strong\u003e with Hanna Instruments HI731360 replacement glass cuvettes. This professional-grade 2-pack includes optically clear borosilicate glass cuvettes with secure caps, designed specifically for HI977 series portable photometers to ensure accurate, repeatable colorimetric measurements.\u003c\/p\u003e\n\n\u003ch4\u003ePrecision Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptically clear borosilicate glass:\u003c\/strong\u003e High-quality construction ensures accurate light transmission for reliable measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes caps:\u003c\/strong\u003e Secure caps prevent contamination, evaporation, and spillage during handling and storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHI977 series compatible:\u003c\/strong\u003e Direct-fit replacement designed specifically for Hanna HI977 portable photometers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional laboratory grade:\u003c\/strong\u003e Meets strict standards for colorimetric analysis and water quality testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable design:\u003c\/strong\u003e Smooth glass surfaces allow thorough cleaning between samples for extended use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue 2-pack:\u003c\/strong\u003e Includes two complete cuvettes with caps for continuous testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy Cuvette Quality Matters:\u003c\/h4\u003e\n\u003cp\u003eAccurate photometric analysis depends on optically consistent cuvettes. Even minor scratches, cloudiness, or contamination can compromise your test results and lead to inaccurate readings. The HI731360 replacement cuvettes maintain the optical clarity and precision your water testing protocols demand, ensuring measurement integrity for quality control, compliance testing, and research applications.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional Applications:\u003c\/h4\u003e\n\u003cp\u003eEssential for laboratories, water treatment facilities, aquaculture operations, pool service professionals, and field testing applications. Keep spare cuvettes on hand to avoid testing delays and maintain uninterrupted workflow when primary cuvettes need cleaning or replacement.\u003c\/p\u003e\n\n\u003ch4\u003eTechnical Specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI731360\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Optically clear borosilicate glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 cuvettes with caps per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HI977 series portable photometers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProfessional-Grade Quality:\u003c\/h4\u003e\n\u003cp\u003eManufactured by Hanna Instruments to exacting optical standards. These replacement cuvettes are the same high-quality components supplied with new HI977 photometers, ensuring consistent performance and reliable results across all your colorimetric testing applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCompatible with HI977 series photometers. Regular replacement recommended when cuvettes show signs of scratching, cloudiness, or wear to maintain measurement accuracy.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41744233758807,"sku":"HI731360","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI731360_720x720__83420.1663355915.jpg?v=1748726383"},{"product_id":"hanna-hi731335n-cuvette-caps-replacement-4-pack","title":"Hanna Instruments Cuvette Caps HI731335N - Replacement Caps for HI731331 Glass Cuvettes (4-Pack)","description":"\u003cp\u003e\u003cstrong\u003eKeep your turbidity measurements secure and contamination-free\u003c\/strong\u003e with Hanna Instruments HI731335N replacement cuvette caps. These precision-threaded caps screw securely onto HI731331 glass cuvettes, protecting samples during testing and storage while preventing evaporation and contamination.\u003c\/p\u003e\n\n\u003ch4\u003eEssential Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure threaded design:\u003c\/strong\u003e Screws tightly onto HI731331 glass cuvettes for leak-proof sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample protection:\u003c\/strong\u003e Prevents contamination, evaporation, and spillage during handling and storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Long-lasting material withstands repeated use and cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue pack:\u003c\/strong\u003e Includes 4 replacement caps for multiple cuvettes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect fit:\u003c\/strong\u003e Designed specifically for HI731331 glass sample cuvettes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy Replace Your Caps:\u003c\/h4\u003e\n\u003cp\u003eCuvette caps are essential for maintaining sample integrity during turbidity measurements. Worn, cracked, or missing caps can lead to sample contamination, evaporation, and inaccurate readings. Regular replacement ensures reliable measurements and extends the life of your glass cuvettes.\u003c\/p\u003e\n\n\u003ch4\u003eWide Instrument Compatibility:\u003c\/h4\u003e\n\u003cp\u003eCompatible with HI731331 glass cuvettes used in the following Hanna turbidity meters and photometers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI83414 - Benchtop Turbidity Meter\u003c\/li\u003e\n\u003cli\u003eHI83749 - Multiparameter Photometer\u003c\/li\u003e\n\u003cli\u003eHI847492 - Turbidity Meter\u003c\/li\u003e\n\u003cli\u003eHI88703 - Portable Turbidity Meter\u003c\/li\u003e\n\u003cli\u003eHI88713 - Portable Turbidity Meter\u003c\/li\u003e\n\u003cli\u003eHI93414 - Portable Turbidity Meter\u003c\/li\u003e\n\u003cli\u003eHI98703 - Portable Turbidity Meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProfessional-Grade Quality:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments to exacting standards. Essential for laboratories, water treatment facilities, aquaculture operations, pool service professionals, and environmental testing applications where sample integrity is critical.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eUse with HI731331 glass cuvettes (sold separately). Keep spare caps on hand to ensure uninterrupted testing and maintain measurement accuracy.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41790024745047,"sku":"HI731335N","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/caps-for-cuvettes-hi731335n__42711.1559321294.jpg?v=1751306064"},{"product_id":"hanna-hi731335-cuvette-caps-hi96-photometer-4-pack","title":"Hanna Instruments Cuvette Caps HI731335 - Replacement Caps for HI96 Series Photometers (4-Pack)","description":"\u003cp\u003e\u003cstrong\u003eEnsure measurement accuracy and consistency\u003c\/strong\u003e with Hanna Instruments HI731335 replacement cuvette caps. These precision-engineered caps feature a locking index tab and light-blocking design, essential for accurate photometric measurements with HI96 series portable photometers.\u003c\/p\u003e\n\n\u003ch4\u003ePrecision Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking index tab:\u003c\/strong\u003e Ensures cuvette is inserted in the same position every time for consistent path length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-blocking design:\u003c\/strong\u003e Prevents stray light from entering the optical system and interfering with measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure threaded fit:\u003c\/strong\u003e Screws tightly onto HI731331 glass cuvettes for leak-proof sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample protection:\u003c\/strong\u003e Prevents contamination, evaporation, and spillage during handling and storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue 4-pack:\u003c\/strong\u003e Includes four replacement caps for multiple cuvettes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhy Proper Alignment Matters:\u003c\/h4\u003e\n\u003cp\u003eAccurate photometric analysis requires consistent cuvette positioning. According to the Beer-Lambert Law, absorbance depends on the optical path length (distance light travels through the sample). The HI731335's locking index tab ensures the cuvette is inserted in the same orientation for both blank measurements (zero) and sample readings, maintaining consistent path length and accurate results.\u003c\/p\u003e\n\n\u003ch4\u003eThe Beer-Lambert Law:\u003c\/h4\u003e\n\u003cp\u003eThe quantity of radiation absorbed is given by: \u003cstrong\u003eA = log I₀\/I\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsorbance is also expressed as: \u003cstrong\u003eA = ε • C • l\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhere:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e = Absorbance (dimensionless)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eε\u003c\/strong\u003e = Molar extinction coefficient [L\/(mol•cm)]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e = Concentration of the substance (mol\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003el\u003c\/strong\u003e = Optical path length through sample (cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConsistent cuvette positioning ensures the path length (l) remains constant, critical for accurate concentration measurements.\u003c\/p\u003e\n\n\u003ch4\u003eOptical System Protection:\u003c\/h4\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=335\u0026amp;name=photometer-optical-system-HI96series.png\" alt=\"Hanna HI96 series photometer optical system diagram showing light path\" width=\"335\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=168\u0026amp;name=photometer-optical-system-HI96series.png 168w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=335\u0026amp;name=photometer-optical-system-HI96series.png 335w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=503\u0026amp;name=photometer-optical-system-HI96series.png 503w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=670\u0026amp;name=photometer-optical-system-HI96series.png 670w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=838\u0026amp;name=photometer-optical-system-HI96series.png 838w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system-HI96series.png?width=1005\u0026amp;name=photometer-optical-system-HI96series.png 1005w\" sizes=\"(max-width: 335px) 100vw, 335px\"\u003e\u003c\/p\u003e\n\n\u003ch4\u003eProfessional Applications:\u003c\/h4\u003e\n\u003cp\u003eEssential for laboratories, water treatment facilities, aquaculture operations, pool service professionals, and environmental testing applications where measurement accuracy and repeatability are critical. The HI731335 caps are the same high-quality components supplied with new HI96 series photometers.\u003c\/p\u003e\n\n\u003ch4\u003eTechnical Specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI731335\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 caps per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HI96 series portable photometers with HI731331 glass cuvettes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Locking index tab, light-blocking design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Romania\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProfessional-Grade Quality:\u003c\/h4\u003e\n\u003cp\u003eManufactured by Hanna Instruments to exacting standards. Replace worn or missing caps to maintain measurement accuracy and protect your samples from contamination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eUse with HI731331 glass cuvettes (sold separately). Keep spare caps on hand to ensure uninterrupted testing and maintain measurement integrity.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41790034640983,"sku":"HI731335","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi731335__51089.1559321308.jpg?v=1751306804"},{"product_id":"hanna-hi731315-glass-cuvettes-checker-hc-replacement","title":"Hanna HI731315 Glass Cuvettes for Checker HC - Replacement Set of 2 with Caps","description":"\u003cp\u003eThe HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10 ml level mark for adding correct volume.\u003c\/li\u003e\n\u003cli\u003eTest more samples and average your results for the best accuracy.\u003c\/li\u003e\n\u003cli\u003ePerfect for replacing scratched or discolored cuvettes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhen using a colorimeter or photometer it is important to use clean cuvettes that are free from scratches. Any discoloration or scratches will interfere with any optically based measurement. The HI731315 are the replacement glass cuvettes that are supplied with the \u003c\/span\u003eChecker\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eHC colorimeters\u003cspan\u003e. If you need extra cuvettes to test more samples or are looking to replace the cuvettes that came with your Checker, this set comes with two cuvettes with caps.\u003c\/span\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41802062397527,"sku":"HI731315","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/Cuevetts__59360.1570475695.jpg?v=1751996355"},{"product_id":"hanna-hi73128-electrode-removal-tool-ph-ec-waterproof-testers","title":"Hanna HI73128 Electrode Removal Tool for Waterproof pH \u0026 EC Testers","description":"\u003ch2\u003eHanna HI73128 Electrode Removal Tool for Waterproof Testers\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHI73128\u003c\/strong\u003e is a precision replacement tool designed for safe, fast electrode removal on select \u003cstrong\u003eHanna Instruments waterproof testers\u003c\/strong\u003e. A simple quarter-twist releases worn pH or EC electrodes without damage to the tester body — keeping your measurements accurate and your workflow uninterrupted.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free twist-off design\u003c\/strong\u003e — removes electrodes in seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure grip\u003c\/strong\u003e — prevents slippage during electrode swap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with multiple Hanna testers\u003c\/strong\u003e — one tool, broad coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtends tester lifespan\u003c\/strong\u003e — proper removal prevents thread and housing damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Hanna Tester Models\u003c\/h3\u003e\u003cp\u003eThe HI73128 is required for electrode removal on the following waterproof testers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHI98120\u003c\/li\u003e\n\u003cli\u003eHI98121\u003c\/li\u003e\n\u003cli\u003eHI98127\u003c\/li\u003e\n\u003cli\u003eHI98128\u003c\/li\u003e\n\u003cli\u003eHI98130\u003c\/li\u003e\n\u003cli\u003eHI98311\u003c\/li\u003e\n\u003cli\u003eHI98312\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Replace Electrodes?\u003c\/h3\u003e\u003cp\u003epH and conductivity (EC) electrodes naturally degrade over time due to chemical exposure and repeated use. Regular replacement ensures your Hanna tester continues to deliver fast, reliable readings — critical for water quality testing, laboratory analysis, food \u0026amp; beverage QC, and agricultural applications.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x HI73128 Electrode Removal Tool\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eManufactured by Hanna Instruments. Country of Origin: Romania.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":41991215054935,"sku":"HI731284793549106918","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/replacement-tool-electrode-removal-hi73128__65201.jpg?v=1758674894"},{"product_id":"hanna-hi710030-green-rubber-boot-groline-protective-case","title":"Hanna Instruments Shockproof Rubber Boot HI710030 - Green Silicone Case for GroLine \u0026 HI991000 Meters","description":"\u003cp\u003e\u003cstrong\u003eProtect your GroLine and portable meters\u003c\/strong\u003e with the Hanna Instruments HI710030 shockproof rubber boot. This premium green silicone protective case is custom-molded for the HI9814 GroLine pH\/EC\/TDS meter, HI991000 family of portables, and select thermistor-based thermometers, providing superior drop protection and enhanced grip for demanding hydroponics, agriculture, and water testing applications.\u003c\/p\u003e\n\n\u003ch4\u003eSuperior Protection Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-resistant design:\u003c\/strong\u003e Absorbs shock from accidental drops to protect your investment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-molded fit:\u003c\/strong\u003e Precision-engineered for HI9814 GroLine and HI991000 family meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD screen protection:\u003c\/strong\u003e Recessed design prevents scratches when meter is laid face-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced grip:\u003c\/strong\u003e Textured silicone surface provides secure, non-slip handling even with wet or gloved hands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional green color:\u003c\/strong\u003e Easy to identify in grow rooms, greenhouses, or field environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThoughtful Design:\u003c\/h4\u003e\n\u003cp\u003eStrategic openings provide full access to probe connections and LCD display without removing the boot. The recessed screen design adds an extra layer of protection against scratches and impacts during transport and storage.\u003c\/p\u003e\n\n\u003ch4\u003eWide Compatibility:\u003c\/h4\u003e\n\u003cp\u003eCustom-formed to fit multiple Hanna Instruments portable meters:\u003c\/p\u003e\n\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\/Temperature Meters:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI991001\u003c\/td\u003e\n\u003ctd\u003eHI99151\u003c\/td\u003e\n\u003ctd\u003eHI99165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99111\u003c\/td\u003e\n\u003ctd\u003eHI99161\u003c\/td\u003e\n\u003ctd\u003eHI99171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99121\u003c\/td\u003e\n\u003ctd\u003eHI99162\u003c\/td\u003e\n\u003ctd\u003eHI99181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99131\u003c\/td\u003e\n\u003ctd\u003eHI99163\u003c\/td\u003e\n\u003ctd\u003eHI99192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99141\u003c\/td\u003e\n\u003ctd\u003eHI99164\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eAlso compatible with:\u003c\/strong\u003e HI9814 GroLine pH\/EC\/TDS meter, HI991000 family portables, and select thermistor-based thermometers.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Construction:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments from premium silicone rubber that maintains flexibility and protection across temperature extremes. Essential for hydroponics growers, aquaculture facilities, pool service professionals, and water quality technicians who need reliable protection in wet, demanding environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eExtend the life of your Hanna GroLine or portable meter and reduce costly replacements. 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No need to remove the boot during testing.\u003c\/p\u003e\n\n\u003ch4\u003ePerfect Fit Compatibility:\u003c\/h4\u003e\n\u003cp\u003ePrecision-molded to fit Hanna Instruments meters measuring 152 x 58 x 30 mm (6.0 x 2.3 x 1.2 inches). Compatible with select pH testers, multiparameter meters, and temperature instruments.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Construction:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments, this protective boot is built from premium silicone rubber that maintains flexibility and protection across temperature extremes. Whether you're testing water quality in aquaculture facilities, calibrating equipment in hydroponics operations, or conducting field measurements for pool service, the HI710024 keeps your meter protected and operational.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eExtend the life of your Hanna meter and reduce costly replacements. 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By keeping samples uniform during measurement and titration, erroneous results are eliminated by preventing any temperature gradients or inadequate mixing when chemicals are added to a sample.\u003c\/span\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42154593222743,"sku":"HI731319","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/pack-of-10-mini-stir-bars.jpg?v=1764007871"},{"product_id":"hanna-microfiber-cloth-for-wiping-cuvettes-4-hi731318","title":"Hanna Microfiber Cloth for Wiping Cuvettes (4) - HI731318","description":"\u003cp\u003eEnsure your glass cuvettes are clean and free of debris for accurate measurements every time with this pack of microfiber cloths. These cloths remove dirt, grease, and fingerprints from the vials so that the glass is clean for the correct transmission of light.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLint free, microfiber cloth.\u003c\/li\u003e\n\u003cli\u003eWill not scratch glass cuvettes.\u003c\/li\u003e\n\u003cli\u003ePerfect for wiping the cuvettes used in handheld colorimeters, photometer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsing cuvettes in photometers, colorimeters, and turbidity meters that are clean and free from scratches is critical in order to obtain an accurate measurement. These systems are optically based in which light must transmit through the glass vial in order to be detected by a silicon photodetector. Any impedance in the light path will affect the way that light will interact with the sample to be measured ultimately affecting the result obtained from the meter. Using clean HI731318 microfiber cloths will not scratch the cuvettes which can interfere with the optical system.\u003c\/p\u003e\n\u003ch4\u003eExample of optical systems used in photometers and turbidity meters\u003c\/h4\u003e\n\u003cp\u003ePhotometer optical system (HI96 series)\u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 335px) 100vw, 335px\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=168\u0026amp;name=tungsten-lamp-optical-system.png 168w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=335\u0026amp;name=tungsten-lamp-optical-system.png 335w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=503\u0026amp;name=tungsten-lamp-optical-system.png 503w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=670\u0026amp;name=tungsten-lamp-optical-system.png 670w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=838\u0026amp;name=tungsten-lamp-optical-system.png 838w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=1005\u0026amp;name=tungsten-lamp-optical-system.png 1005w\" width=\"335\" alt=\"photometer-optical-system-HI96series\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/tungsten-lamp-optical-system.png?width=335\u0026amp;name=tungsten-lamp-optical-system.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eISO turbidity optical system (HI98713, HI88713)\u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 295px) 100vw, 295px\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=148\u0026amp;name=ISO-turbidity-optical-system.png 148w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=295\u0026amp;name=ISO-turbidity-optical-system.png 295w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=443\u0026amp;name=ISO-turbidity-optical-system.png 443w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=590\u0026amp;name=ISO-turbidity-optical-system.png 590w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=738\u0026amp;name=ISO-turbidity-optical-system.png 738w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=885\u0026amp;name=ISO-turbidity-optical-system.png 885w\" width=\"295\" alt=\"ISO turbidity optical system\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/ISO-turbidity-optical-system.png?width=295\u0026amp;name=ISO-turbidity-optical-system.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eTungsten lamp (EPA) optical system with 90\u003csup\u003eo\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eand 180\u003csup\u003eo\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003escattered light detectors along with a built-in photometer (HI93414, HI83414)\u003c\/p\u003e\n\u003cp\u003e\u003cimg sizes=\"(max-width: 347px) 100vw, 347px\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=174\u0026amp;name=photometer-optical-system.png 174w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=347\u0026amp;name=photometer-optical-system.png 347w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=521\u0026amp;name=photometer-optical-system.png 521w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=694\u0026amp;name=photometer-optical-system.png 694w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=868\u0026amp;name=photometer-optical-system.png 868w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=1041\u0026amp;name=photometer-optical-system.png 1041w\" width=\"347\" alt=\"tungsten-lamps-optical-system\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/photometer-optical-system.png?width=347\u0026amp;name=photometer-optical-system.png\"\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42204146532439,"sku":"HI731318","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/cuvette-cleaning-cloths.jpg?v=1764715161"},{"product_id":"hanna-hi710023-shockproof-rubber-boot-orange-protective-case","title":"Hanna Instruments Shockproof Rubber Boot HI710023 - Orange Silicone Protective Case","description":"\u003cp\u003e\u003cstrong\u003eProtect your investment\u003c\/strong\u003e with the Hanna Instruments HI710023 shockproof rubber boot. This premium orange silicone protective case safeguards your pH, multiparameter, and temperature meters from accidental drops, impacts, and harsh environmental conditions in the lab, field, or production floor.\u003c\/p\u003e\n\n\u003ch4\u003eSuperior Protection Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-resistant design:\u003c\/strong\u003e Durable silicone rubber absorbs shocks and prevents damage from accidental drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme temperature tolerance:\u003c\/strong\u003e Withstands temperatures up to 200°C (392°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental durability:\u003c\/strong\u003e Resistant to ozone, chemicals, and harsh field conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced grip:\u003c\/strong\u003e Textured surface provides secure, non-slip handling even with wet or gloved hands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibrant orange color:\u003c\/strong\u003e High-visibility design makes your meter easy to locate in busy work environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThoughtful Design:\u003c\/h4\u003e\n\u003cp\u003eThe HI710023 features strategic openings for full meter functionality—an unobstructed face opening for easy display reading and a bottom opening for convenient probe connections. No need to remove the boot during testing.\u003c\/p\u003e\n\n\u003ch4\u003ePerfect Fit Compatibility:\u003c\/h4\u003e\n\u003cp\u003ePrecision-molded to fit Hanna Instruments meters measuring 152 x 58 x 30 mm (6.0 x 2.3 x 1.2 inches). Compatible with select pH testers, multiparameter meters, and temperature instruments.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Construction:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments, this protective boot is built from premium silicone rubber that maintains flexibility and protection across temperature extremes. Whether you're testing water quality in aquaculture facilities, calibrating equipment in hydroponics operations, or conducting field measurements for pool service, the HI710023 keeps your meter protected and operational.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eExtend the life of your Hanna meter and reduce costly replacements. Essential protection for professionals who demand reliability in demanding environments.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42293899919447,"sku":"HI710023","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/shockproof-orange-rubber-boot.jpg?v=1765387811"},{"product_id":"hanna-hi710028-orange-rubber-boot-foodcare-groline-protective-case","title":"Hanna Instruments Shockproof Rubber Boot HI710028 - Orange Silicone Case for Foodcare \u0026 GroLine Meters","description":"\u003cp\u003e\u003cstrong\u003eProtect your Foodcare and GroLine meters\u003c\/strong\u003e with the Hanna Instruments HI710028 shockproof rubber boot. This premium orange silicone protective case is custom-molded for the HI99xxx Foodcare series, HI9814 GroLine, and HI991000 family of portable meters, providing superior drop protection and enhanced grip for demanding food safety, agriculture, and water testing applications.\u003c\/p\u003e\n\n\u003ch4\u003eSuperior Protection Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-resistant design:\u003c\/strong\u003e Absorbs shock from accidental drops to protect your investment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-molded fit:\u003c\/strong\u003e Precision-engineered for HI99xxx Foodcare, GroLine, and thermistor-based meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD screen protection:\u003c\/strong\u003e Recessed design prevents scratches when meter is laid face-down\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced grip:\u003c\/strong\u003e Textured silicone surface provides secure, non-slip handling even with wet or gloved hands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-visibility orange:\u003c\/strong\u003e Easy to locate in busy kitchens, production floors, or field environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThoughtful Design:\u003c\/h4\u003e\n\u003cp\u003eStrategic openings provide full access to probe connections and LCD display without removing the boot. The recessed screen design adds an extra layer of protection against scratches and impacts during transport and storage.\u003c\/p\u003e\n\n\u003ch4\u003eWide Compatibility:\u003c\/h4\u003e\n\u003cp\u003eCustom-formed to fit multiple Hanna Instruments portable meters:\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\/Temperature Meters:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI991001\u003c\/td\u003e\n\u003ctd\u003eHI99151\u003c\/td\u003e\n\u003ctd\u003eHI99165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99111\u003c\/td\u003e\n\u003ctd\u003eHI99161\u003c\/td\u003e\n\u003ctd\u003eHI99171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99121\u003c\/td\u003e\n\u003ctd\u003eHI99162\u003c\/td\u003e\n\u003ctd\u003eHI99181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99131\u003c\/td\u003e\n\u003ctd\u003eHI99163\u003c\/td\u003e\n\u003ctd\u003eHI99192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHI99141\u003c\/td\u003e\n\u003ctd\u003eHI99164\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eAlso compatible with:\u003c\/strong\u003e HI9814 GroLine pH\/EC\/TDS meter, HI991000 family portables, and select thermistor-based thermometers.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Construction:\u003c\/h4\u003e\n\u003cp\u003eManufactured in Romania by Hanna Instruments from premium silicone rubber that maintains flexibility and protection across temperature extremes. Essential for food safety professionals, hydroponics growers, aquaculture facilities, and water quality technicians who need reliable protection in wet, demanding environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eExtend the life of your Hanna Foodcare or GroLine meter and reduce costly replacements. A smart investment for professionals who demand durability and reliability.\u003c\/em\u003e\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42410100949079,"sku":"HI710028","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/hi-710028-orange-protective-rubber-boot.jpg?v=1765819756"},{"product_id":"hanna-calibration-kit-for-relative-humidity-hi7102","title":"Hanna HI7102 Relative Humidity Calibration Kit - Portable 2-Chamber RH Calibrator","description":"\u003ch2\u003eHanna HI7102 Relative Humidity Calibration Kit – Portable Precision RH Calibration\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna HI7102 Relative Humidity Calibration Kit\u003c\/strong\u003e is a portable, dual-chamber calibration system designed for accurate humidity sensor calibration in laboratory and field environments. This compact kit features \u003cstrong\u003etwo thermally isolated chambers\u003c\/strong\u003e, each supplied with a cap and calibration salts, ensuring reliable calibration of relative humidity meters and sensors.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo thermally isolated chambers\u003c\/strong\u003e – independent calibration points for comprehensive RH verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes calibration salts\u003c\/strong\u003e – ready-to-use chambers with pre-measured salts for accurate humidity standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, portable design\u003c\/strong\u003e – ideal for field calibration and benchtop lab use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate calibration\u003c\/strong\u003e – ensures reliable performance of humidity sensors and meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e – built for repeated use in professional environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy operation\u003c\/strong\u003e – simple setup for quick, efficient calibration workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003ePerfect for calibrating humidity sensors in environmental monitoring, HVAC systems, laboratory climate control, pharmaceutical storage, food processing facilities, and industrial quality control. Whether you're a lab technician, HVAC professional, or quality assurance specialist, the HI7102 delivers the precision you need for confident humidity measurement.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: HI7102\u003c\/li\u003e\n\u003cli\u003eProduct Type: Relative Humidity Calibration Kit\u003c\/li\u003e\n\u003cli\u003eChambers: 2 thermally isolated chambers\u003c\/li\u003e\n\u003cli\u003eIncludes: Calibration salts and caps\u003c\/li\u003e\n\u003cli\u003eWeight: 1 lb\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003cli\u003eSKU: HI7102\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrust Hanna Instruments for precision calibration solutions that ensure the accuracy and reliability of your humidity testing equipment across laboratory, industrial, and field applications.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":42456733253719,"sku":"HI7102","price":184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/calibration-kit-relative-humidity-hi7102__61913.jpg?v=1767543750"},{"product_id":"hanna-ammonia-medium-range-cal-check-standards-for-hi97715","title":"Hanna Ammonia Medium Range CAL Check Standards for HI97715","description":"\u003cdiv class=\"productView rca-product-view\" data-event-type=\"product\" data-entity-id=\"6371\" data-name=\"Ammonia Medium Range CAL Check Standards for HI97715\" data-product-category=\"Industry\/Industrial, \n            Industry\/Water, \n            Product\/Solutions and reagents, \n            Product\/Solutions and reagents\/Solutions, \n            Industry\/Agriculture, \n            Product\/Solutions and reagents\/Solutions\/Calibration, \n            Product\/Solutions and reagents\/Solutions\/CAL Check Standards, \n            Parameters\/A - F\/Ammonia, \n            Hanna best sellers, \n            Solutions and Reagents\" data-product-brand=\"Hanna Instruments\" data-product-price=\"219.99\" data-product-variant=\"Don't forget!: None\"\u003e\n\u003csection class=\"productView-details product-options\"\u003e\n\u003cdiv class=\"productView-shortDescription\"\u003e\n\u003cp\u003eThe HI97715-11 Ammonia Medium Range CAL Check\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eStandards provides a simple solution to calibrating and validating the HI97715 ammonia medium range photometer. This high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values and expiration date for traceability when certifying the HI97715 photometer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eStandard value of 6.0 ±0.050 mg\/L ammonia (as NH\u003csub\u003e3\u003c\/sub\u003e-N) @ 25°C\u003c\/li\u003e\n\u003cli\u003eReusable with long shelf life stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product-before-description\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-name=\"related-target\" data-position=\"2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"productView-description\" data-event-type=\"product\"\u003e\n\u003csection data-content-region=\"product-description-split\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003csection class=\"banner--product-rich-text\"\u003e\n\u003cdiv class=\"grid-container\"\u003e\n\u003cdiv class=\"align-center\"\u003e\n\u003cdiv class=\"cell small-12 large-10\"\u003e\n\u003cdiv id=\"hs_cos_wrapper_widget_1561995462500_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-field=\"content\"\u003e\n\u003cp\u003eHI97715-11 is a high quality set of calibration standards that allows users to validate and calibrate the HI97715 medium range ammonia photometer. The HI97715-11 includes one sealed A cuvette for zeroing the meter and one B cuvette that is used to validate or calibrate. The expected reading from the B standard is 6.0 ±0.2 mg\/L ammonia (as NH\u003csub\u003e3\u003c\/sub\u003e-N) @ 25°C. The calibration set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCAL Check\" standards with certificate\u003c\/h4\u003e\n\u003cdiv\u003eThe HI97715-11 CAL Check\"standards are used for calibration and performance verification of HI977xx photometers with the CAL Check function.\u003c\/div\u003e\n\u003ch4\u003e\n\u003cbr\u003eSupplied with Certificate of Analysis\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003cli\u003eStandard value @ 25 °C\u003c\/li\u003e\n\u003cli\u003eReference meter NIST traceable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProvided storage containers\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLight tight\u003c\/li\u003e\n\u003cli\u003eProtects from accidental breakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42456844795991,"sku":"HI97715-11","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/ammonia-medium-range-hi97715-11__30441.jpg?v=1767549682"},{"product_id":"hanna-hi731331n-glass-cuvettes-22mm-photometer-turbidity-4-pack","title":"Hanna Instruments Glass Cuvettes HI731331N - 22mm Precision Cuvettes for Photometers \u0026 Turbidity Meters (4-Pack)","description":"\u003cp\u003e\u003cstrong\u003eEnsure measurement accuracy\u003c\/strong\u003e with Hanna Instruments HI731331N precision glass cuvettes. 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Rinse thoroughly and dry completely to prevent corrosion. The stainless steel construction allows for repeated cleaning and sanitizing without degradation. Inspect blade regularly for dullness or damage—replace if blade becomes dull or bent to ensure easy piercing and electrode protection.\u003c\/p\u003e\u003ch3\u003eFood Safety \u0026amp; HACCP Compliance:\u003c\/h3\u003e\u003cp\u003eThe FC098 blade enables accurate pH monitoring for HACCP (Hazard Analysis Critical Control Points) compliance in meat processing. Regular pH testing helps identify spoilage, verify proper aging, ensure product consistency, and meet regulatory requirements for food safety.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Compatible Hanna Foodcare pH electrodes sold separately. Always clean and sanitize blade between different meat samples to prevent cross-contamination. 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This professional-grade lab stand features a heavy-duty steel base and adjustable arm that securely holds up to three electrodes simultaneously, making it the perfect solution for laboratories conducting pH, EC, ORP, and temperature measurements on a single sample.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Electrode Capacity:\u003c\/strong\u003e Hold up to 3 electrodes (12mm diameter or less) for simultaneous measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRock-Solid Stability:\u003c\/strong\u003e Large rectangular steel base prevents tipping during arm adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Positioning:\u003c\/strong\u003e Adjustable cantilever arm allows precise electrode placement at any angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Channel Compatible:\u003c\/strong\u003e Perfect for use with multichannel meters for simultaneous readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation Ready:\u003c\/strong\u003e Accommodates Hanna temperature probes for accurate compensated readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cp\u003eWater quality labs, research facilities, aquaculture operations, and educational institutions that need to perform multiple simultaneous measurements. 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Designed for lab, field, and industrial environments where consistent power is essential.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e115 VAC to 12 VDC conversion\u003c\/strong\u003e – compatible with Hanna meters requiring 12V DC power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS flat two-prong plug\u003c\/strong\u003e – designed for North American outlets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates battery replacement\u003c\/strong\u003e – ideal for extended testing sessions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, durable design\u003c\/strong\u003e – built for lab and field use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Hanna accessory\u003c\/strong\u003e – ensures compatibility and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003ePerfect for laboratory benchtop setups, continuous monitoring applications, field testing stations, and any scenario where uninterrupted power is required for Hanna pH meters, conductivity meters, photometers, and other 12 VDC instruments.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: HI710005\u003c\/li\u003e\n\u003cli\u003eInput: 115 VAC\u003c\/li\u003e\n\u003cli\u003eOutput: 12 VDC\u003c\/li\u003e\n\u003cli\u003ePlug type: US flat two-prong\u003c\/li\u003e\n\u003cli\u003eWeight: 15 oz\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrust Hanna Instruments for reliable power solutions that keep your water testing equipment running when you need it most.\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42510558691415,"sku":"HI710005","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/power-adapter-115-vac-to-12-vdc-hi710005__80934.jpg?v=1770139251"},{"product_id":"hanna-instruments-electrode-holder-for-edge-hi76404b-black","title":"Hanna HI76404B Electrode Holder for edge Meters - 3-Position Cantilever Stand","description":"\u003ch2\u003eHanna HI76404B Electrode Holder – Stable 3-Position Cantilever Stand\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna HI76404B Electrode Holder\u003c\/strong\u003e is a cantilever stand designed for the edge® Series of tablet meters, providing superior stability and flexibility for laboratory and field testing environments. 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Perfect for pH testing, conductivity measurements, and water quality analysis.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: HI76404B\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eCapacity: Up to 3 electrodes\u003c\/li\u003e\n\u003cli\u003eCompatibility: edge® Series tablet meters\u003c\/li\u003e\n\u003cli\u003eWeight: 10.5 oz\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Romania\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrust Hanna Instruments for precision accessories that enhance the performance and reliability of your water testing equipment.\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42510594572375,"sku":"HI76404B","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/white-electrode-holder-hi76404w__10540.jpg?v=1770140684"},{"product_id":"hanna-hi1290-ph-electrode-replacement-probe-hi98112-piccolo-2","title":"Hanna HI1290 pH Electrode | Replacement Probe for HI98112 Piccolo 2","description":"\u003cp\u003e\u003cstrong\u003eProfessional replacement pH electrode designed specifically for the Hanna HI98112 Piccolo 2 pH tester.\u003c\/strong\u003e The HI1290 features a built-in temperature sensor for automatic temperature compensation, gel-filled reference cell for maintenance-free operation, and a durable ceramic junction ideal for general-purpose field applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in temperature sensor\u003c\/strong\u003e – Integrated ATC for accurate pH readings across temperature variations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel-filled electrolyte\u003c\/strong\u003e – Maintenance-free, no refilling required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic junction\u003c\/strong\u003e – Durable single junction design with 15-20 µL flow rate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpherical glass tip\u003c\/strong\u003e – 5mm diameter tip for versatile sample testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pH range\u003c\/strong\u003e – Measures from 0 to 13 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-pin connector\u003c\/strong\u003e – Secure, reliable connection to HI98112 meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature resistant\u003c\/strong\u003e – Operating range: 0 to 70°C (32 to 158°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Replace Your Electrode?\u003c\/h3\u003e\n\u003cp\u003epH electrodes are consumable components that degrade over time due to glass membrane aging, junction clogging, and electrolyte depletion. Regular electrode replacement ensures accurate, reliable measurements and extends the life of your HI98112 Piccolo 2 pH tester. The HI1290 is engineered to deliver the same precision and performance as your original electrode.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Design\u003c\/h3\u003e\n\n\u003ch4\u003eIntegrated Temperature Sensor\u003c\/h4\u003e\n\u003cp\u003eThe built-in temperature sensor enables automatic temperature compensation (ATC), ensuring accurate pH readings regardless of sample temperature fluctuations. This eliminates the need for manual temperature correction and streamlines your testing workflow.\u003c\/p\u003e\n\n\u003ch4\u003eGel-Filled Reference System\u003c\/h4\u003e\n\u003cp\u003eThe single Ag\/AgCl reference cell uses a stable gel electrolyte that never requires refilling. 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The multi-pin connector ensures secure, error-free installation.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eField testing and environmental monitoring\u003c\/li\u003e\n\u003cli\u003eWater quality analysis\u003c\/li\u003e\n\u003cli\u003eAquaculture and aquarium testing\u003c\/li\u003e\n\u003cli\u003eHydroponics and agriculture\u003c\/li\u003e\n\u003cli\u003eFood and beverage quality control\u003c\/li\u003e\n\u003cli\u003eEducational laboratories\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose pH measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI1290\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI98112 Piccolo 2 pH Tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 13 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference Cell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle, Ag\/AgCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJunction Type \/ Flow Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCeramic, single \/ 15-20 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType of Electrolyte\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGel (maintenance-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTip \/ Shape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpherical (diameter = 5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. 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Using authentic replacement electrodes ensures optimal performance, accuracy, and longevity of your testing equipment. Each electrode undergoes rigorous quality control testing before shipment.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHI1290 pH electrode with built-in temperature sensor\u003c\/li\u003e\n\u003cli\u003eMulti-pin connector for HI98112 Piccolo 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Storage solution and cleaning solutions sold separately. 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