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SENSOR INSTALLATION AND DEFINITION
17.1.2
pH Sensor Calibration
EC calibration appears.
2. Press Select to scroll down to pH CALIBRATION.
3. Press Enter.
4. Verify that the pH sensor is dry; insert it into a pH 7 calibration buffer, immerse for 10 seconds, and press Enter.
The following screen appears.
5. Calibration is in process, wait until the following screen appears.
6. Verify that the pH sensor is dry; insert it into pH 4 calibration buffer, immerse for 10 seconds, and press Enter.
The following screen appears.
7. Wait until the following screen appears.
pH calibration is complete.
NOTE:
If display says "BUFFER FAULT" please refer to Troubleshooting in the EC pH Manual.
NMC-PRO Installation Manual
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