Gas Detectors
Gas Alarm with Mechanical Arm LB-208
Natural gas detector with LCD display and voice alerts, linked to a mechanical arm for automatic gas shutoff. Adjustable alarm setpoint and sensor drift compensation.
Detail
Specifications
Features
- Usage duration display: Shows elapsed usage time in months and hours
- Query function: Distributor info, alarm setpoint, alarm log (up to 8 records)
- Settings: Alarm setpoint and concentration unit (PPM / %LEL) adjustable via keypad
- Self-test: Press K1 briefly to self-test
- Intelligent voice alerts: Voice prompts for all states; leak prompt with handling instructions
- Sensor drift compensation: Automatically compensates for accumulated drift
Specifications
| Parameter | Value |
|---|---|
| Gas type | Natural gas |
| Standard | GB5322.2-2003 |
| Measurement range | 0–100% LEL (0–50 KPPM) |
| Display range | 1.6–60% LEL (0.8–30.0 KPPM) |
| Alarm concentration | 10% LEL (5.0 KPPM) |
| Alarm setpoint range | 1.6–19.8% LEL |
| Operating conditions | 0–60°C, ≤95% RH |
| Power supply | AC 220V |
| Standby power | ≤1.2W |
| Alarm power | ≤3W |
| Response time | <30 s |
| Alarm volume | >80 dB (at 1m) |
| Sensor lifespan | 5 years |
| Dimensions | 133×68×40 mm |
Relay Output
Linked to mechanical arm for automatic gas shutoff