PINPOINT ORP (Redox) 400 Calibration Fluid
PINPOINT 400 ORP/REDOX Calibration Fluid contains a precise 400mV measurement of calibration solution. Occasional retesting with this fluid will keep PINPOINT ORP/REDOX probes accurate as well as help determine if the probe is ready for replacement.
PINPOINT 400 ORP/REDOX Calibration Fluid is sold in a single use packets.
I have included our video on the subject below. Please view through the end. Additionally for direct assistance you will want to reach out to Neptune Systems directly.