HANNA HI98121 Portable Pocket Multiparameter Meter, Parameters: ORP/pH/Temperature, ORP Range: Â
Details
This tester is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP. This accurate pH and ORP tester features 0.01 pH resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. pH Calibration Solution, storage solutions, cleaning solutions & replacement pH electrodes sold seperatly.