The BLE-9902 IP67 waterproof Bluetooth 3-in-1 water tester simultaneously detects pH, EC conductivity and water temperature to meet daily water monitoring demands. It covers 0.00–14.00 pH, 0–19.99mS/cm EC and 0–60℃ temperature, supporting 5-point pH calibration with matched buffer powders for ultra-stable accuracy, plus built-in ATC auto temperature compensation to eliminate temperature reading errors.

Equipped with Bluetooth 5.2, it syncs real-time data to dedicated mobile APP, enabling historical data storage, curve analysis and Excel data export, with customizable abnormal parameter alarms. The APP-controlled backlit LCD screen supports data hold for convenient recording.

Pen-shaped waterproof body allows direct immersion testing, powered by LR44 button batteries with low power reminder. Widely used in hydroponics, aquariums, swimming pools, drinking water and laboratory liquid analysis, it is an all-in-one portable tool for long-term water quality tracking.