Feature:
> 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)
> RF signal: 433MHz (wireless type)
> Execute criterion: GB15322.2-2003
> ABS plastic material
> Can work with solenoid valve, the fan (WL-938WL/938DL type)
Technical Specification:
|
Model
|
WL-938W / 938WL
|
WL-938D / 938DL
|
|
Model type
|
Wireless/ Wireless Linkage type gas detector
|
Independent /Linkage type Independent gas detector
|
|
Power supply
|
AC 220V
|
90V-240V AC
|
|
Alarm concentration
|
10%±5%LEL (5000PPM)
|
|
Transmitting distance
|
≤300m (in open area)
|
≤300m (in open area)
|
|
Installation height
|
0.3 to 1.0m,from ceiling/floor
|
0.3 to 1.0m, from ceiling/floor
|
|
Sound level
|
≤85dB/m
|
≤85dB/m
|
|
Transmitting frequency
|
433MHz
|
/
|
|
Detecting area
|
20㎡
|
|
Programmer code
|
1527
|
1527
|
|
Standby current
|
≤70mA
|
≤70mA
|
|
Alarm current
|
≤160mA
|
≤160mA
|
|
Operating temperature
|
-10℃~ +55℃
|
-10℃~ +55℃
|
|
Relative humidity
|
≤95%RH(non-condensing)
|
≤95%RH(non-condensing)
|
|
Unit size
|
130*68*38mm
|
