19
3 Operation
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
Enclosed spaces
menu
item.
z
Confi
rm your selection with the key.
Following confirmation, the start screen for the
Enclosed spaces
application is displayed initially.
Measuring range
Enclosed spaces
CH4
LED
1 PPM
Then the device returns to measuring mode. The measured val
-
ues are displayed.
Measurement data
In number format:
e.g. 0 ppm
As a trend bar divided into
6 parts ranging from
0 ppm to 100 % vol.:
0 ppm – 10 ppm
10 ppm – 100 ppm
100 ppm – 1,000 ppm (0.1 % vol.)
0.1 % vol. - 1 % vol.
1 % vol. - 10 % vol.
10 % vol. - 100 % vol.
