OX 4000 H
Operation
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ba75853e04
06/2012
5.2.1
Hold function
5.2.2
General information
You can measure the following parameters:
D.O. concentration
DO saturation
Preparatory activities
Perform the following preparatory activities when you want to measure:
Note
Incorrect calibration of D.O. sensors will result in incorrect measured
values. Calibrate at regular intervals.
1
Freeze the current measured value with
<HOLD>
(Hold func-
tion).
An S is displayed in front of the current measured value as long
as the Hold function is active.
2
To terminate the Hold function: press the
<MODE>
or
<HOLD>
key. The S in front of the measured value is no longer dis-
played.
S
0
5
2
C
°
TP
mg/l
O
Auto
3
6
7
1
Connect the D.O. sensor to the meter.
2
Calibrate or check the meter with the D.O. sensor. How to cal-
ibrate is described in section 5.2.5.
3
Select the measuring mode with
<MODE>
.
