OAKTON® Waterproof ORPTestr® 10 Meter

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 (No. 126293) 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.
Replacement Electrode (No. 78257) is ideal for dity water, heavy metals and organics.