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Data logging
Oxygen sensor
Ref : 482 039
* Strictly speaking, this adjustment of the calibration is not truly accurate, except for pure
water.
In addition, besides the temperature, the concentration in dissolved oxygen also depends on
salinity and atmospheric pressure.
- Calibration in stand-alone mode:
By default, the measuring medium selected is air. There is an arrow in front of the "Air" and
"25 % O
Calibration switchover button
"Calibration mode" selected
- Measurement in air:
To make a measurement in air, set the value at 20.9 % of O
from 20.9 %, hold the calibration button (small violet button) pressed down for 2 seconds. A
flashing arrow appears under the sign "Tables".
Set the value at 20.9 % with the central potentiometer. Once the value has been adjusted,
press the small violet button again, the arrow reappears below the message "Probe OK".
The probe is ready for use in air.
Remark:
If during calibration, the arrow remains below the "Caution" segment, the probe is
malfunctioning. Replace or check for the presence of electrolytes, verify the probe head
(refer to the instructions for the O
ENGLISH
" indications on the sensor.
2
2
Adjustment potentiometer
probe ref. 453 001)
6
. If the value displayed is too far
2
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