LumaSense Technologies INNOVA 1316A-2 - Manual (Page 82)

Chapter 4
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BE6021-11 1316A-2 Multi Gas Monitor LumaSense Technologies A/S
Instruction Manual Page 82 of 97
4.3.7 To perform a span calibration with multi component gas mixture.
If more than one gas is to be span calibrated at the same time this
can be performed using multi component gas mixtures.
In the Span calibration window (see figure 4.22 ) select the gases to
be calibrated and key in the appropriate concentrations from the
certificate from the gas cylinder.
Before doing the Span calibration please make sure that Zero
calibration is set to “Manual” and the mode is set to 3 as described in
section 4.3.5 .
1. Use to tick which of the CO
2
, Freon gasses that you want to
be calibrated.
2. Type in the correct concentrations for the ticked CO
2
, Freon
gasses.
The gas concentrations must be the same as that stated on the
calibration gas bottle.
3. Connect the calibration-gas bottle as described in section
4.3.4 .
4. Open the gas valve and adjust the flow so that a small surplus
flow exists in the side-stream tube.
5 Press the Send button to start the gain calibration.
After completion of the span calibration routine:
The validity of each new span calibration constant (CO
2
, Freon) is
checked.
New span calibration constants for the Freon and CO
2
channels
should not significantly differ from the factory span calibration
constants.
If a newly calculated span calibration constant does differ by
greater than ±30% from the original factory value, the
appropriate span fail status (CO
2
Span Fail, Freon Span Fail). is
set true see figure 4.34.: