User Manual Q&AAnswer
Feb 21, 2025 - 04:16 AM
To calibrate the APERA SX811-SS Portable pH Meter, follow these steps:
1. Rinse the pH electrode with distilled water and dry it.
2. Press the "Cal" button to enter calibration mode.
3. The meter will prompt you to calibrate the first point using a pH 7.00 buffer solution. Dip the electrode into the buffer solution and wait for the reading to stabilize.
4. Press the "Cal" button again to confirm the calibration.
5. The meter will then prompt you to calibrate the second point using a pH 4.00 or pH 10.01 buffer solution. Follow the same process as before.
6. Press the "Cal" button again to confirm the calibration.
7. The meter will automatically return to the measurement mode.
Note: It is recommended to calibrate the meter before each use for accurate results.
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