{"product_id":"apera-ph850-sl-portable-soil-ph-meter-kit-labsen-553","title":"Apera PH850-SL Portable Soil pH Meter Kit | Swiss LabSen 553 Spear Electrode, Direct Measurement","description":"\u003ch2\u003eApera PH850-SL Portable Soil pH Meter Kit — Direct Soil Measurement with Swiss LabSen® 553 Spear Electrode\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eApera PH850-SL\u003c\/strong\u003e is a professional-grade portable pH meter purpose-built for \u003cstrong\u003edirect soil pH measurement\u003c\/strong\u003e — no slurry preparation required. Paired with the \u003cstrong\u003eSwiss LabSen® 553 PVC 3-in-1 pH\/Temperature Spear Electrode\u003c\/strong\u003e, it delivers fast, stable, accurate readings by inserting directly into soil, eliminating the time-consuming slurry method used with standard pH meters. Converts between portable field meter and benchtop unit via its integrated foldable stand.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwiss LabSen® 553 Spear Electrode\u003c\/strong\u003e — Designed exclusively for direct soil pH measurement; PVC housing with unique blue spear sensor tip for easy insertion into soil, coco coir, and grow media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS-Type Spear Glass Membrane\u003c\/strong\u003e — Low resistance + high firmness delivers fully stabilized readings in \u003cstrong\u003e15–30 seconds\u003c\/strong\u003e; \u003cstrong\u003e10× stronger\u003c\/strong\u003e than traditional glass membranes — highly resistant to impact and accidental breakage during soil insertion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen \u0026amp; Ceramic Double-Junction with Polymer Electrolyte\u003c\/strong\u003e — Ensures full contact with soil samples while minimizing junction clogs; no electrolyte refilling required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Life Reference System\u003c\/strong\u003e — Glass tube + AgCl + reference silver wire with cotton-stuffed top end prevents AgCl–electrolyte reaction during temperature changes; improves reference stability and extends electrode service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Slurry Required\u003c\/strong\u003e — Insert directly into moist soil for in-situ pH readings; faster and more representative than slurry-based methods\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1–3 Point Auto Calibration\u003c\/strong\u003e — Auto-recognizes pH 1.68, 4.00, 7.00, 10.01, 12.45 (USA \u0026amp; NIST); electrode slope display for probe health monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC 0–100°C (Auto or Manual)\u003c\/strong\u003e — Full temperature compensation for field and greenhouse conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP57 Waterproof + Silicone Grip Sleeve\u003c\/strong\u003e — Dustproof and impact-resistant; built for outdoor field and grow-room use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable + Benchtop Dual Mode\u003c\/strong\u003e — Foldable stand converts the meter to a benchtop unit; powered by 3× AA batteries or USB DC5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD with Stability Icon\u003c\/strong\u003e — Smiley face stable reading indicator; simultaneous pH + temperature display; calibration completion icons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Diagnosis\u003c\/strong\u003e — Out-of-range value and electrode invalidation alerts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eMeter Specs\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003epH\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0 – 14 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01 \/ 0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.01 pH ± 1 digit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATC\u003c\/td\u003e\n\u003ctd\u003e0–100°C (Auto or Manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003emV\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e±1000 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.2% F.S. ± 1 digit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0–100°C (32–212°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.5°C ± 1 digit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003eAuto 1–3 points; USA \u0026amp; NIST buffer recognition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003ePower\u003c\/td\u003e\n\u003ctd\u003e3× AA batteries or DC5V (USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIP57 (Dustproof \u0026amp; Waterproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eDimensions \u0026amp; Weight\u003c\/td\u003e\n\u003ctd\u003eMeter: 88×170×33 mm \/ 313 g | Case: 360×270×76 mm \/ 1.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"3\"\u003e\u003cstrong\u003eLabSen 553 Electrode Specs\u003c\/strong\u003e\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eGlass Membrane Shape\u003c\/td\u003e\n\u003ctd\u003eSpear (S-type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eJunction\u003c\/td\u003e\n\u003ctd\u003eOpen ceramic + single-pore double-junction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eReference Electrode\u003c\/td\u003e\n\u003ctd\u003eLong-life (AgCl + glass tube)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eElectrolyte\u003c\/td\u003e\n\u003ctd\u003ePolymer (no refill required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eTemperature Sensor\u003c\/td\u003e\n\u003ctd\u003eYes (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003epH Range\u003c\/td\u003e\n\u003ctd\u003e0 – 14 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0–80°C (32–176°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eBNC and RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eDirect soil pH testing, coco coir, rockwool, perlite, greenhouse growing, cannabis cultivation, outdoor agriculture, hydroponics grow media, turf management, and environmental soil monitoring.\u003c\/p\u003e","brand":"APERA Instruments","offers":[{"title":"Default Title","offer_id":44124005236823,"sku":"PH850-SL","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/ph850-sl.webp?v=1786293008","url":"https:\/\/getultimatenow.com\/products\/apera-ph850-sl-portable-soil-ph-meter-kit-labsen-553","provider":"Get Ultimate Now ","version":"1.0","type":"link"}