Owner manual

Chapter 4
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BE6021-11 1316A-2 Multi Gas Monitor LumaSense Technologies A/S
Instruction Manual Page 56 of 97
Figure 4.2. The Zero O2 span calibration window to select Purge time during a
calibration.
Using the Window above the BZ6013 can extend the Purge Time (PT) in
1-second increments.
2. Power on.
The first Zero during a power on cycle takes 5 seconds longer than a
subsequent Zero with the same PT value.
3. NO Concentration
When the Zero/O
2
Span Calibration command is transmitted, and the NO
concentration is above a set value. The purge time is extended in order to
completely purge the NO sensor.
4.2.1 Zero Calibration Procedure
The CO
2
, Freon and NO channels are zero calibrated and the O
2
channel is span calibrated. Using the selected Purge Time (PT) (see
figure 4.2 ).