Gold Member Since 2014
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Shenzhen Wale Group Co., Ltd.

Gas Leakage Sensor, Gas Alarm, Combustible Gas manufacturer / supplier in China, offering Stand Alone Gas Leakage Sensor (WL-938D), 2017 Wireless Home GSM Alarm System with Built-in Siren, LCD Wireless Touch Keypad GSM OEM Alarm System and so on.

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Supplier Homepage Product Gas Sensor Stand Alone Gas Leakage Sensor (WL-938D)

Stand Alone Gas Leakage Sensor (WL-938D)

FOB Price: US $5-7 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $5-7/ Piece
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Port: Shenzhen, China
Production Capacity: 10, 000 Pair Per Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: WL-938D
  • Usage: Gas
  • Certification: CE, FCC, RoHS, CCC
  • Material: ABS Plastic
  • Working Voltage: 90-240VAC
  • Color: Cream
  • Transport Package: Netural Package or OEM
  • Origin: Shenzhen, Guangdong
  • Type: Sensor
  • Installation Mode: Wall Mounted
  • Application: Home, Special Equipment
  • Mode: Independent
  • Dimension: 115*72*45cm
  • Trademark: WALE or OEM
  • Specification: CE, Rohs
  • HS Code: 8531100000
Product Description
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
ModelWL-938W / 938WLWL-938D / 938DL
Model typeWireless/ Wireless Linkage type gas detectorIndependent /Linkage type Independent gas detector
Power supplyAC 220V90V-240V AC
Alarm concentration10%±5%LEL (5000PPM) 
Transmitting distance≤300m (in open area) ≤300m (in open area) 
Installation height0.3 to 1.0m, from ceiling/floor0.3 to 1.0m, from ceiling/floor
Sound level≤85dB/m≤85dB/m
Transmitting frequency433MHz/
Detecting area20m2
Programmer code1527/2264/
Standby current     ≤70mA≤70mA
Alarm current≤160mA≤160mA
Operating temperature-10ºC~ +55ºC-10ºC~ +55ºC
Relative humidity≤95% RH (non-condensing)≤95% RH (non-condensing)
Unit size130*68*38mm
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