52
7 Appendix
7.2.2
Alarm thresholds (factory settings)
Application
ALEOS
ALPPM
Inspection above ground
5 % vol.
0.5 ppm
Measuring in bar holes
100 % vol.
—
House
5 % vol.
0.5 ppm
Gas measuring
100 % vol.
—
7.3
Limit values for the device inspection
Application
Gas Zero point
Sensitivity
Specifica
-
tion
Deviation
Specifica
-
tion
Deviation
Inspection above
ground/House
H
2
0.0 ppm
±0.5 ppm
100 ppm +100 ppm
-90 ppm
Gas measuring/
Measuring in bar
holes
H
2
0.0 % vol. ±1 % vol.
5 % vol.
±1 % vol.