Apera Instruments ORP60 Premium ORP Meter, Pocket Tester, Replaceable Electrode, ±1mV/±0.2% Accuracy, ±1000 mV Range, ±0.5C Temperature Sensor

Easy Auto Calibration with auto buffer recognition (1 to 3 points); Auto Temperature Compensation (ATC) Replaceable ORP Platinum Probe, easy to install so that you don’t have to buy a whole new meter once the probe retires Auto recognition of stable values (optional auto hold function available) improves consistency so you don’t have to guess when to manually hold measurement LARGE CLEAR LCD with 3 backlit colour (indicating 3 different modes), dual display of temp./ORP, and indications of completed calibrations and stable readings COMPLETE KIT with ready-to-use calibration solutions, a calibration bottle, storage solutions, AAA batteries, and a lanyard all in a premium portable carrying case