ORP-619 Portable LED ORP Digital Water Quality Tester Monitor Meter Pen Detector

High precision and fast response: fast to get the testing result and can test the ORP value for any 0‑1999 mV liquid which you wanna test.

Compact and lightweight for mobility, you can test water anywhere to get the purest water.

Adopts the digital LED screen display, which is more clear and convenient to read data.

Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems.

With temperature unit switching function, °C/°F switching, convenient for different groups of people to view.