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Wireless Gas Leak Detector                               

 WL-938W/938WL/938D/938DL 

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