{"product_id":"apera-instruments-value-series-tds20-value-pocket-tds-tester-kit","title":"Apera Instruments Value Series TDS20 Value Pocket TDS Tester Kit","description":"\u003cp\u003eThe Apera TDS20 (AI213) is a waterproof handheld tester designed for measuring total dissolved solids (TDS) in water and nutrient solutions. Its Brush-Resistant Platinum Black (BPB) conductivity sensor provides reliable readings across a 0–10,000 ppm range. Adjustable TDS conversion, automatic temperature compensation, and a stable-reading indicator make it suitable for checking RO water, nutrient concentrations, and irrigation runoff.\u003c\/p\u003e\n\n\u003cp\u003e• Brand: Apera Instruments\u003cbr\u003e\n• Model \/ SKU: TDS20 \/ AI213\u003cbr\u003e\n• Measurement Range: 0–100, 0–1,000, and 0–10,000 ppm (0–10 ppt)\u003cbr\u003e\n• Accuracy: ±1% full scale\u003cbr\u003e\n• Sensor: Brush-Resistant Platinum Black (BPB) conductivity probe\u003cbr\u003e\n• TDS Conversion Factor: Adjustable from 0.4 to 1.0\u003cbr\u003e\n• Temperature Compensation: Automatic, 0–50°C; ±0.5°C temperature accuracy\u003cbr\u003e\n• Calibration: Automatic 1–2-point calibration with buffer recognition\u003cbr\u003e\n• Protection Rating: IP67 — waterproof, dustproof, and floatable\u003cbr\u003e\n• Battery: 4 × AAA; up to 1,000 hours, with 8-minute automatic shutoff\u003cbr\u003e\n• Included Accessories: 1,413 µS\/cm and 12.88 mS\/cm calibration solutions, batteries, lanyard, and carrying case\u003cbr\u003e\n• Certifications: CE and RoHS; manufactured under ISO 9001:2015 quality system\u003c\/p\u003e\n\n\n\u003cp\u003eKey Advantage: The TDS20 combines a wide 0–10,000 ppm range with adjustable 500\/700-scale conversion and a durable BPB sensor. Its waterproof floating design makes it practical for daily nutrient-feed, source-water, and runoff testing.\u003c\/p\u003e","brand":"Hydro Supply Co.","offers":[{"title":"Default Title","offer_id":68104590721060,"sku":"APRA-AI213","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/value-series-pocket-tds-tester-kit-ai213.jpg?v=1794499967","url":"https:\/\/www.growitdepot.com\/products\/apera-instruments-value-series-tds20-value-pocket-tds-tester-kit","provider":"Grow It Depot","version":"1.0","type":"link"}