Water Quality Tester Pen for Drinking Water

1 Application scope: pure water production and drinking, electro-fluid, boiler water, fish tank water, swimming pool water, photographic washing fluid, well water, deep well water, laboratory, aquaculture, food processing, home, office, physical and chemical teaching, ionized water, cosmetics, municipal water supply, travel health care. 2 The test is accurate and reliable, the test is accurate and the test range is 0-9990ppm. 3 This type of TDS detection pen can detect heavy metals and turbidity in water. 4 The product is small and portable and can be placed in a bag without taking up space. 5 This product has excellent workmanship and very precise measurement.

What's in the box
1 x TDS Water Quality Tester