23
3 Operation
3.2.6
Measuring VOL% application
The
Measuring VOL%
application is used to demonstrate gas
purity or the absence of gas in gas pipes.
WARNING!
The
Measuring VOL%
application is not suitable
for use in hazardous areas. It does not comprise
an alarm mechanism.
Measurement unit:
% vol.
Measuring range:
Thermal conductivity
1 % vol. to 100 % vol.
Signals (methane CH
4
):
Audible
Intermittent tone
At 100 % vol. (AL5)
Visual
Flashing
At 100 % vol. (AL5)
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
Measuring VOL%
menu
item.
z
Confirm your selection with the
key.