PH-618B is a 2-in-1 portable water quality tester that simultaneously measures pH value and water temperature, with a full measuring range of 0.00-14.00pH and 0℃-50℃ temperature. It features high 0.01pH resolution, auto temperature compensation and backlit dual LCD screen for clear dual readings of pH and ℃/℉ switchable temperature.

Equipped with detachable BNC electrode probe, the sensor delivers fast response, stable data and corrosion resistance for long service life. One-key auto calibration simplifies daily operation without extra tools. Compact lightweight design (210×35×35mm, 100g) with protective storage case is easy to carry.

Widely applied in laboratory testing, fisheries, aquariums, drinking water, swimming pools and wastewater detection. Powered by AG13 button batteries, this durable pH tester is ideal for lab distributors, aquaculture farms and environmental monitoring institutions .