PM400 Multi-Gas Personal Monitor
REV – 2.0
[34-2900-0206-2 ]
24
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P a g e
Default calibration gas concentrations can be changed using the PM Link and PC software or with the Bump Test –
Calibration Station.
Gas
Type
O
2
CO
H
2
S
LEL
Concentration
18.0% Vol
100 ppm
25 ppm
50% LEL
6.4
Exiting the Calibration Menu
To exit the Calibration menu:
1.
Press the [Function key] until “ESC” is displayed on the screen.
2.
Press and hold the [Function key] for 5 seconds, the monitor will return to the Calibration screen.
3.
Press the [Function key] again and the unit will return to the Measurement screen.
NOTE
: If you do not press the [Function key] within 20 seconds, the display reverts to the main screen.