
Operation
OX 4000 H
24
ba75853e04
06/2012
Calibration in
water vapor
saturated air
(air calibration vessel)
Proceed as follows to calibrate the instrument:
Note
The sponge in the air calibration vessel must be moist (not wet). Leave
the sensor in the air calibration vessel for a time long enough to adjust.
5.2.6
Displaying calibration records
While the calibration data is being displayed you can:
1
Connect the D.O. sensor to the meter.
2
Put the D.O. sensor into the air calibration vessel.
3
Start the calibration with
<CAL>
.
4
Start the measurement with
<OK>
.
The measured value is checked for stability (stability control).
The [Auto] status display disappears.
5
Wait for the end of the AutoRead measurement or accept the
calibration value with
<OK>
.
The calibration data is displayed.
6
Switch to the measured value display with
<OK>
.
1
Press
<CAL
_
>
to display the calibration data.
press
<CAL
_
>
to download the calibration record to the interface
2
1
2
C
°
TP
O
L
A
C
Cal