Calibration; Preparation - Optex DOS-20 Instruction Manual

Optical dissolved oxygen sensor
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9

Calibration

Perform calibration before using the sensor or after cleaning.
Prepare a sensor cap and calibration container.
Also, prepare the necessary calibration solution for your calibration needs.
To calibrate SC-U1, press
・ Pressing
・ Only dissolved oxygen concentration can be calibrated. If the
Caution
dissolved oxygen concentration is not set in the displayed item,
calibration cannot be performed. The dissolved oxygen saturation
and oxygen partial pressure are automatically calculated according
to the calibrated dissolved oxygen concentration.

Preparation

Clean the sensor unit and the measurement area thoroughly
1
to completely remove all moisture.
Remove the calibration container's
2
storage cap, and replace it with the
calibration cap (a cap that allows
ventilation).
Allow the sensor and the calibration water to acclimate to
3
room temperature for approximately 30 minutes.
.
automatically retains the measurement value.
Calibration cap Storage cap
21

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