20
3 Operation
3.2.5
Measuring in bar holes
The measuring mode can be changed for the
Measuring in bar
holes
application via this menu item.
Area of use
– Measuring gas dispersal in the ground
– Locating the possible leakage point and classifying the leak
Symbol
Unit
– % vol.
Measuring range
Infrared sensor
(hydrocarbons C
X
H
Y
)
0.0 to 100 % vol.
Infrared sensor
(carbon dioxide CO
2
)
0.0 to 30 % vol.
Electrochemical sensor
(oxygen O
2
)
0.0 to 25.0 % vol.
Measurement data display
VOL%
CH4
0.60
100
0
1,0
10
VOL% CO2
0
20.9
VOL% O2
– Digit, for example,
0 % vol. CO
2
20.9 % vol. O
2
0.60 % vol. CH
4
– Bar display with quasi-logarith-
mic scale (for CH
4
)
Fig. 9: Measuring in bar holes measuring mode
