{"product_id":"hm-digital-tds-3-handheld-tds-meter-carrying-case-0-9990-ppm-atc","title":"HM Digital TDS-3 Handheld TDS Meter with Carrying Case | 0–9990 ppm | ATC | Built-In Thermometer","description":"\u003ch2\u003eHM Digital TDS-3 Handheld TDS Meter with Carrying Case\u003c\/h2\u003e\n\u003cp\u003eMonitor water purity anywhere with the \u003cstrong\u003eHM Digital TDS-3\u003c\/strong\u003e — a professional-grade, pocket-sized \u003cstrong\u003eTotal Dissolved Solids (TDS) meter\u003c\/strong\u003e trusted for water purification, hydroponics, aquaculture, reverse osmosis (RO) system verification, colloidal silver production, pool \u0026amp; spa testing, and wastewater regulation. Powered by advanced microprocessor technology, the TDS-3 delivers fast, accurate ppm readings with \u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e and a built-in digital thermometer — all in a rugged, belt-clip carrying case.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range: 0–9990 ppm\u003c\/strong\u003e — 0–999 ppm at 1 ppm resolution; 1000–9990 ppm at 10 ppm resolution (indicated by blinking ‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Digital Thermometer\u003c\/strong\u003e — Measures temperature from 0–80°C simultaneously with TDS for complete water quality snapshots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e — Corrects readings automatically from 1–50°C (33–122°F) for accurate results regardless of sample temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Function\u003c\/strong\u003e — Freezes the measurement on screen for convenient reading and recording without keeping the probe submerged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off\u003c\/strong\u003e — Shuts off automatically after 10 minutes of non-use to conserve battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000-Hour Battery Life\u003c\/strong\u003e — 2 × 1.5V LR44 button cell batteries included; exceptional runtime for field and commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated\u003c\/strong\u003e — Calibrated with 342 ppm NaCl solution; recalibration available via mini-screwdriver trimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge, Easy-to-Read LCD Display\u003c\/strong\u003e — Clear readout in any lighting condition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying Case with Belt Clip\u003c\/strong\u003e — Protective case keeps the meter safe and accessible; ideal for field technicians and commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Microprocessor Technology\u003c\/strong\u003e — Highly efficient and accurate readings across the full measurement range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTDS Range:\u003c\/strong\u003e 0 – 9990 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0–999 ppm: 1 ppm | 1000–9990 ppm: 10 ppm (‘x10’ icon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC-to-TDS Conversion Factor:\u003c\/strong\u003e NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0 – 80°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Resolution:\u003c\/strong\u003e 0.1°C (Celsius only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC Range:\u003c\/strong\u003e 1 – 50°C (33 – 122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 × 1.5V LR44 button cell batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e ~1,000 hours continuous use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 × 3.1 × 2.3 cm (6.1 × 1.25 × 1 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (with case):\u003c\/strong\u003e 76.5 g (2.7 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (without case):\u003c\/strong\u003e 56.7 g (2.0 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 50017 | Barcode: 809390006537\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e South Korea\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReverse osmosis (RO) system filter verification and performance monitoring\u003c\/li\u003e\n\u003cli\u003eDrinking water \u0026amp; tap water purity testing\u003c\/li\u003e\n\u003cli\u003eHydroponics nutrient solution TDS monitoring\u003c\/li\u003e\n\u003cli\u003eAquaculture \u0026amp; aquarium water quality management\u003c\/li\u003e\n\u003cli\u003eColloidal silver concentration measurement\u003c\/li\u003e\n\u003cli\u003eSwimming pool \u0026amp; spa water chemistry\u003c\/li\u003e\n\u003cli\u003eWastewater regulation and environmental testing\u003c\/li\u003e\n\u003cli\u003eWater conditioning \u0026amp; softener performance testing\u003c\/li\u003e\n\u003cli\u003eCommercial and field water quality inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy HM Digital TDS-3?\u003c\/h2\u003e\n\u003cp\u003eThe HM Digital TDS-3 is one of the most trusted handheld TDS meters on the market — combining a wide 0–9990 ppm range, built-in thermometer, ATC, hold function, and an exceptional 1000-hour battery life in a compact, belt-clip case. Whether you’re a water treatment professional, hydroponics grower, aquaculture specialist, or home user verifying your RO filter, the TDS-3 delivers the accuracy and reliability you need at an unbeatable value.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":31969960644,"sku":"50017","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/TDS-3.jpg?v=1556611217","url":"https:\/\/getultimatenow.com\/products\/hm-digital-tds-3-handheld-tds-meter-carrying-case-0-9990-ppm-atc","provider":"Get Ultimate Now ","version":"1.0","type":"link"}