
Gas Detectors
Gas Alarm with Solenoid Valve LB-203
Detects natural gas, LPG, and town gas. Linked to a solenoid valve for automatic shutoff. Complies with CJ/T 347-2010. Sensor drift compensation and fault indicator included.
Detail
Specifications
Features
- Gas type: Natural gas, LPG, town gas (H₂)
- Adjustable alarm setpoint
- Automatic sensor drift compensation — prevents false alarms and missed alarms
- Fault indicator for easy maintenance
- MCU-controlled, operating temperature range -10°C to +60°C
- Relay outputs: exhaust fan, mechanical arm, solenoid valve
Specifications
| Parameter | Value |
|---|---|
| Supply voltage | AC 220V 50Hz |
| Standby power | <1W |
| Alarm power | <3W |
| Alarm concentration | Natural gas 4000 PPM |
| Standard | CJ/T 347-2010 |
| Response/recovery time | ≤30 s |
| Operating conditions | Temperature 0–60°C, Humidity ≤97% RH |
Relay Output
Linked to solenoid valve for automatic gas shutoff
