Model Number: QA3000 car gas alarm 1 Brand Name: Hanwei Key Specifications/Special Features: Vehicle gas alarm system operation manualAdopts high-quality gas sensor and advanced electronic technologyWith advantages of excellent performance, lower consumption, easy to operate and maintenance-freeWidely used in gas powered taxi and bus, so as to avoid fire emergency or explosion due to gas leakageGas sensor semiconductor

Detecting natural gas, LPG

Working voltage: 12V DC

Working condition temperature: -40 to 70°C

Humidity: less than 95% RH

Storage temperatures: -40 to 70°C

Pressure limit: 86 to 106kPa

Consumption alarming status: less than 1W non-alarming status less than 1.5W

Response time: less than 30s automatic resume

Gas sampling natural diffusion

Detection range: 0 to 100% LEL

Preset alarm value: 10% LEL

Alarm methods: audio and visual alarming

Audio alarm sound: more than 70dB

Sensor lifespan: five years

Applications: gas-powered taxi and bus

Weight: approximately 270g