ORPTestr 10 Meter Keeps Calibration Data Safe When You Power Off or Change Batteries
Features a dual display with indicators for battery power, over/ under range for ORP values and ORP calibration error.
Waterproof ORPTestr 10 Meter has a large platinum band on the sensor minimizes contamination and gives quick, stable, repeatable response and results. Calibration is a two-button process. You can adjust readings ±150mV to match known solutions. Auto shut-off and hold functions. User-replaceable double-junction sensor. No tools required. Made of engineering plastic.