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9
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 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.
Caution
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.32 to remove
bubbles.
20
.
automatically retains the measurement value.
・ When calibrating, be sure to clean the sensor body and
detection window before immersing the sensor in distilled
water.
・ When calibrating, keep the detection surface at least 30
cm away from the bottom of the container or the wall. The
calibration will not be correct if the measurement light is
reflected on the bottom of the container or the wall.
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