American Marine PINPOINT ORP/REDOX +400mV Calibration Fluid

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Accurately calibrates ORP/REDOX meters to a value of +400mV.

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$ 6.50

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PINPOINT ORP/REDOX +400mV Calibration Fluid

To ensure your ORP/REDOX meter gives the most accurate water quality readings, regularly calibrate the ORP/REDOX probe using PINPOINT ORP/REDOX +400mV fluid.

With a precise measurement of 400mV, this calibration fluid is included with every PINPOINT ORP Monitor and PINPOINT ORP Controller. But the fluid can be used for calibration any ORP/REDOX probes.

Occasional retesting with this fluid will ensure that your ORP/REDOX readings remain pin-point accurate.

This fluid is also very useful to determine if an ORP/REDOX probe is ready for replacement.


  • Accuracy values: +/- 2mV vs. PINPOINT ORP/REDOX Electrode @ 77 deg F (25 dec C)
  • Ag, AgCl reference

How to use

1. Tear open top. Immerse ORP/REDOX probe into the solution.
2. After reading stabilises, adjust the display on the meter to match the calibration fluid value of +400mV.
3. Do not store ORP/REDOX probe in this calibration fluid.
4. Do not reuse the solution.

American Marine PINPOINT Online Shop

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