აღწერა
> Alarm indicator: Green led flash
> Manual test; Auto reset
> Detects natural gas, coal gas, LPG
> Highly stable semiconductor gas sensor,
> SMT manufacture technology, high stability,
> Adopts check malfunction.
> High capacity relay (0.3A/250V)
> Alarm output is NO, NC, level of output mode selectable
> Execute criterion: GB15322.2-2003
> ABS plastic material;
> Can work with solenoid valve, the fan (WL-938L type)