The rugged meter is built to take knocks

and water conditioning applications to meet the needs for equipment suited from hobbist to professional

pour into a beaker or container and insert the tester or electrode to start the calibration process

What electrode does the MW102 PRO+ use

HM Digital PH-200 Waterproof Portable Water Quality Tester Santevia The rugged meter is builtIdeal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. FEATURES Measures pH and Temperature Auto ranging three point calibration with digital fine tuning Includes storage solution in a sponge embedded in a clear cap Waterproof housing (IP 67