> 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)

Technical Specification:

Model	WL-938 / 938L
Model type	Wired/ Linkage type Wired gas detector
Power supply	DC12V
Alarm level	10%±5% LEL (5000PPM).
Installation height	0.3 to 1.0m, from ceiling/floor
Detecting area	20㎡
Sound level	≤85dB/m
Standby current	≤50mA
Alarm current	≤120mA
Operating temperature	-10℃~ +55℃
Relative  humidity	≤95% RH (non-condensing)
Unit size	130*68*38mm