Calibration
20
Perform calibration before using the sensor or after cleaning.
Distilled or deionized water is required.
To calibrate SC-U1, press
.
Immerse the sensor in distilled water and adjust the measurement value to
the reference value (zero).
If bubbles are present, perform “Manual cleaning” P.32 to remove
bubbles.
1
Clean the sensor's main unit and detection window.
Caution
Pressing
automatically retains the measurement value.
3
Allow the sensor to acclimate to the water temperature for
about 5 minutes, and check that there are no bubbles in the
detection window.
Caution
・
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.
2
Immerse the sensor in distilled
water.
9
Calibration
Zero calibration
