HC4511/12
Methane gas detector with optical
and audible alarm (85dB)
HS4511/12
- internal self-diagnosis -
prearranged for the control of signal
repeaters - power
supply 12Va.c./d.c. - 2 modules
HC4512/12
LPG detector with optical and
audible alarm (85dB) - internal
HS4512/12
self-diagnosis - prearranged for
the control of signal repeaters
- power supply
12Va.c./d.c. - 2 modules |