OLCT 80
GAS TRANSMITTER
USER MANUAL
68
NPO80GB
Revision F.1
6.5
Zeroing
Figure 59: zero test.
1.
Go to the
Test menu using the IR20 remote control. The relays will be blocked for 5
minutes.
2.
Place the calibration hood over the detector head (Figure 59, B).
3.
Connect the calibration hood to the bottle of clear air (Figure 59, E) using a piece of
flexible tubing (Figure 59, C).
4.
Open the valve on the bottle of clear air (flow rate of 30-60 l/h or 60-120 l/h for OLCT
IR versions) (Figure 59, D).
5.
After the reading has stabilized (after about 2 minutes) read the detector's display (Figure
59, A).
6.
If the value does not fall within the proper range, follow the calibration procedure
(Zeroing and adjusting sensitivity, on page 76).
7.
Continue to the instructions under Gas sensitivity test below.
6.6
Gas sensitivity test
1.
Once the zero test has been performed, connect the calibration hood to the calibration gas bottle
(Figure 59, E) using a piece of flexible tubing (Figure 59,
C).
2.
Open the valve (Figure 59, D) on the calibration gas bottle (flow rate of 30-60 l/h or 60-120
l/h for OLCT IR versions).
3.
Once the reading has stabilized (after about 2 minutes), view the display.
4.
If the value does not fall within the proper range, follow the calibration procedure (Zeroing and
adjusting sensitivity, on page 76).
5.
Close the bottle's valve (Figure 59, D) and remove the calibration hood (Figure 59, B). Wait until
the measurement reading returns to zero and leave the Test menu by pressing ESC on the IR20
remote control. This completes the zero and gas sensitivity test procedure. The detector may now
be used.
Содержание OLCT 80 d
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