American Marine Pinpoint ORP / REDOX Calibration Fluid 400mV
Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every PINPOINT ORP Monitor� and PINPOINT ORP Controller�. Occasional retesting with this fluid will keep your readings dead-on accurate. Also very useful to determine if an ORP/REDOX probe is ready for replacement. Bulk boxes are available, please call for details.