Calibration; Zero Calibration - Optex Water It TC-3000-DI Instruction Manual

8

Calibration

Perform calibration before using the sensor or after cleaning.
Distilled or deionized water is required.
To calibrate SC-U1, press
Caution
Pressing

Zero calibration

Immerse the sensor in distilled water or ion-exchange water and adjust the
measurement value to the reference value (zero).
Clean the sensor's main unit and detection window.
1
Immerse the sensor in distilled
2
water or ion-exchange water.
If neither distilled water nor deionized water is available, tap
Caution
water without rust/turbidity can be used instead.
Allow the sensor to acclimate to the water temperature for
3
about 5 minutes, and check that there are no bubbles in the
detection window.
If bubbles are present, perform "Manual cleaning" P.30 to remove
bubbles.
Press
4
The sensor selection display is displayed.
.
automatically retains the measurement value.
.
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