Details

Conventional Natural Gas Alarm

Product Type : Fire Alarm
Product Category : Conventional Control Fire Alarm System
Product Model : SOHO-WN2-EN
Product Status : Non Discontinued

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Features
Specifications

Product Features

Advanced algorithms provide advanced detection discrimination.
Stable gas sensing chamber. No adjustment or replacement required.
High immunity against unwanted alarms.
Surface-mount device (SMD) circuit board design.
DC 12 V or DC 24 V operation.
Loud 85 dB internal sounder.
Audible warning signal of an internal fault.
N/C or N/O alarm relay output option.
Remote LED output option.
Easy installation. No programming required.
Connectable to zone monitor for use with addressable control and indicating equipment.
Sleek, low-profile housing design.
Low maintenance.

Product Specifications

Power

Operating voltage	DC (10.8 ~ 33) V ,DC (10.8 ~ 26.4) V
Start-up current	≤ 100 μA , 120 mA
Start-up time	≤ 10 min
Quiescent current	50 μA , 60 mA
Quiescent condition indicator	Green LED flashing every 5 s

Alarm Condition

Sampling time	(2 ~ 4) s
Alarm response threshold	(0.10 ±0.04) LEL CH4 (natural gas)
Alarm condition indicator	Red LED
Sounder output	≥ 85 dB / 3 m
Alarm current (max)	50 mA / DC 24 V
Alarm relay	SPST. N/O or N/C. 1.0 A / DC 30 V / 0.5 A / AC 125 V
Remote LED output current (max)	15 mA

Fault Condition

Internal fault indication

Single short audible signal every 30 s

Reset

Reset voltage	≤ 1 V
Reset time	≤ 5 s

Environmental

Operating temperature	(-10 ~ +50)°C
Operating humidity	(0 ~ 95)% RH, non-condensing
Storage temperature	(-25 ~ +80)°C
Storage humidity	(0 ~ 98)% RH, non-condensing

Miscellaneous

Dimensions	Φ 102 mm × 45 mm
Ingress protection rating	IP-42

Product Details