The American Marine ORP / REDOX Calibration Fluid 400 mV is convenient and easy to use: no mixing is required and highly accurate.
Packaged in single--use plastic foil pouches similar to PinPoint pH calibration fluids. For test results, recalibrate the ORP monitor/controller monthly.
Packaged in single--use plastic foil pouches similar to PinPoint pH calibration fluids. For test results, recalibrate the ORP monitor/controller monthly.