User Manual Q&AAnswer
Apr 03, 2025 - 01:21 AM
To calibrate the PCE-PHM 12 pH Meter, follow these steps:
1. Immerse the measuring electrode into a pH 7 solution.
2. Wait until the measured value stabilizes.
3. Using the calibration xxxx and the screwdriver provided, adjust the displayed measured value to pH 7. The calibration xxxx is located below the display.
4. After adjusting to pH 7, it is recommended to check the measurement against other references, such as pH 4 and pH 10, to ensure accuracy.
5. Regular calibration at intervals is necessary to maintain accurate measurements.
Note: Calibration and storage fluids can be purchased separately from PCE Instruments.
Please refer to the user manual for more detailed instructions and illustrations.
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