General Details
Gas detector:

Gas detector SR-903 Series

SR-903-2 Combustible gas detector, network

SR-903-2L Combustible gas detector, network, Low power consumption design

 

Main features:

High reliability sensor

Auto reset

MCU processing

Malfunction auto-check indicator

Detect natural gas or LPG

Sound &LED flash alarm output:

Execute criterion: GB15322, UL1484, EN50194

 

 

 

Technological details

Technical specification:

Operating voltage: DC9-24V

Gas species: Natural gas &LPG

Standby current: less than 90mA/less than 30mA (low power consumption)

Alarm current: less than 100mA/ less than 40mA (low power consumption)

Alarm output: Relay output &Sound &LED flash alarm

Alarm level:   10%±5% LEL

Sound level: ≥85dB/m

Installation: Ceiling mounted

Working environment: -10ºC~+50ºC(≤95%RH No congelation)

Dimension: 104*51mm (SR-903-2)