3. Select
CO₂ adjustment
.
4. Insert the probe in the reference environment for the first calibration point.
5. Wait for the measurement to stabilize fully. The graph shows readings of the last 60
minutes.
6. When the measurement has stabilized, click the
Reference value, point 1
text box and
enter the CO
2
level of calibration point 1. Press
ENTER
or click outside the text box when
done.
7. Check that the measured value for point 1 is automatically inserted.
8. If you want to calibrate in more than one point, repeat the procedure for all desired
calibration points.
9. Check the difference between each reference and measured value. Very large differences
may be due to insufficient stabilization time or unsuitable calibration setup.
If you want to adjust the device, select
Activate adjustment
.
To exit without taking the adjustment in use, select
Close
.
10. After calibrating your device, update the information in the
Calibration information
tab.
7.4 Analog output adjustment
Figure 27 Insight analog output adjustment view example
If the analog output appears to be inaccurate, you can test and adjust the output level in the
Insight PC software calibration menu. Note that each of the 3 analog output channels is
adjusted separately. To carry out the adjustment, you need a multimeter (or an alternative
method for reading the analog output level) to verify the transmitter test output level.
Chapter 7 – Calibration and adjustment
43
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