ORP Testers

Hanna Instruments offers a wide selection of pH and ORP testers. Choose from the latest pHep to the iconic Checker^® that has been used in schools all over the world. Available options include testers with replaceable electrodes, multi-level LCD, or the Piccolo^® that has an amplified probe, making it immune to electrical noise interference. Versions with multi-level LCDs not only display temperature along with pH or ORP, but also have indicators for instability, calibration, and battery level.