Hach-Lange SI792(x) E HACH GLI 3700 series SI792(x) T 7MA2200 and 8398 series User Manual - Manual (Page 78)

Calibration
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Note: If the entry of the zero point value takes longer than
6 seconds, the display will alternate between showing the
conductivity value and the temperature value.
5. Press ENTER to confirm.
6. The display will show the new cell constant value and the zero point .
Press ENTER to confirm.
7. Remove and clean the sensor from the calibration solution.
8. Immerse the sensor in the process water.
9. The transmitter remains in HoLD mode. Press ENTER again.
The transmitter remains in HoLD mode for approximately
20 seconds after calibration and returns to the measure mode.
Note: Repeat the calibration when “Err” is displayed.
8.2 Temperature sensor adjustment
1. Press CAL , enter passcode: 1015, ENTER . CAL TMP will be
displayed for 3 seconds. The transmitter is ready for calibration.
2. Measure the process temperature with a thermometer.
3. Use the
UP ARROW and RIGHT ARROW to enter the value of the
measured temperature from the external thermometer.
4. Press ENTER to save the value.
5. The transmitter remains in HoLD mode . Press ENTER again.
The transmitter remains in HoLD mode for approximately
20 seconds after calibration and returns to the measure mode.
Note: Repeat the calibration when “Err” is displayed.