Three-key TDS-3 water test pen Water quality test pen $ 5.69 Test item: water purity Measurement category: TDS value / C / F Number of batteries: 2 Battery Specification: LR44 button battery TDS range: 0 ~ 999ppm Temperature range: 0 ~ 45 Application scope: tap water / household water purifier / commercial water purifier / industrial water treatment industry, etc MateTest item: water purity Measurement category: TDS value / C / F Number of batteries: 2 Battery Specification: LR44 button battery TDS range: 0 ~ 999ppm Temperature range: 0 ~ 45 Application scope: tap water / household water purifier / commercial water purifier / industrial water treatment industry, etc Material: environmental protection ABS material Features: high precision chip, one machine with three keys, automatic shutdown Fall resistant, wear-resistant, safe and non-toxic High precision chip detection is more accurate Three kinds of numerical detection are faster and more convenient The accuracy of the test is high and the accuracy of the data is ensured The test pen uses two LR44 button batteries and is durable Automatic shutdown without using for five minutes Packing list: one TDS pen + color box + instruction manual
