0-9990ppm, 0-9990µs/cm

About this item Digital PH Meter Water Tester This pH meter is affordable and useful for those who need a PH tester for household and laboratory use. It’s not only ideal for household or laboratory use. Also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics. Water Hardness Digital Tester Digital TDS Meter simply provides reliable and quick measurements for most regular water solutions’ purity testing, such as drinking water, pool, aquarium, RO system, Spa, or hydroponics; Appropriate for wide range of applications. .