Adjustment; Offset Adjustment - Optex DOS-20 Instruction Manual

Optical dissolved oxygen sensor
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10

Adjustment

Adjust and display the measurement values according to usage. In addition, adjust
and display the measurement values according to the environment where used.
To adjust, press
・ Pressing
・ The dissolved oxygen saturation and oxygen partial pressure
cannot be adjusted.
・ If offset, span, or 2-point adjustment has already been
performed, be sure to initialize the adjustment before
Caution
performing the 2-point adjustment.
・ When "Display item" P.13 is changed, the values of the offset
adjustment, span adjustment, and 2-point adjustment that have
set the display item are reset to the factory default values.
Set again if necessary.

Offset adjustment

Set the offset coefficient to add to a
measurement value.
Display the measurement value with
offset-adjusted to any display value.
For 4-20 mA output ("7 4-20 mA Setting" P.15)
and alarm output ("Alarm output setting" P.17),
the adjusted values are applied.
Measurement item [Display]
Dissolved oxygen
concentration [DO]
Temperature [Temp.]
Press
1
The measurement item selection display is displayed.
30
.
automatically retains the measurement value.
Setting range
-5.00 to 5.00
-5.0 to 5.0
.
Display value
after offset
adjustment
Measurement
value
Factory default setting
0.00
0.0

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