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7 Technical data
z
Warning application (Warning %LEL)
Alarm Gas concentration
Signal
Setting range
Factory
setting
Audible
Visual
0 – 10 % LEL
–
–
AL1
10 – 50 % LEL
10 % LEL
Pre-alarm 2
Hz Pre-alarm 2
Hz
AL2
10 – 60 % LEL
50 % LEL
Main alarm
5
Hz
Main alarm
5
Hz
AL3
Invariable
100 % LEL
Continuous
alarm
Continuous
alarm
When the LEL unit in the system settings is set to % vol., the
alarm thresholds are also set to % vol.
z
Measuring application (Measuring VOL%)
Alarm Gas concentration
Signal
Setting range
Factory
setting
Audible
Visual
AL5
1 – 100 % vol.
100 %
vol.
2
Hz flashing 2
Hz flashing