20
3 Operation
3.2.5
Warning %LEL application
The
Warning %LEL
application is used to test working environ-
ments where explosion is possible, e.g. working on gas pipes or
gas systems.
Measurement unit:
% LEL
Measuring range:
Catalytic combustion
1 % LEL to 100 % LEL
In the
Warning %LEL
application, a brief audible signal emitted
every 5 seconds indicates that the device is working properly.
WARNING!
If no operating signal sounds, there is no guarantee
that the gas concentration is being monitored. You
must leave the danger zone immediately.
Procedure:
z
Press the key or the
key for approximately 2 seconds
to access the user menu.
z
Use the or key to select the
Warning %LEL
menu
item.
z
Confirm your selection with the
key.
Following confirmation, the start screen for the
Warning %LEL
application is displayed initially.
Measuring range
