Model Number: GD alarm for gas Brand Name: Hanwei Key Specifications/Special Features: Designed to detect the concentration of combustible, explosive and toxic gasesAdopts high-quality gas sensorWith advanced technology and superior craftProvides visual and audible signals when the gas concentration reaches the presetting level It reminds you to take prompt actionYou may start up other link equipment, open windows or shut off gas supply to avoid fire, explosion, suffocation and other malignant accidents

Working voltage: 220V AC ±15%/110V AC ±15% 50Hz or 12/24V DC

Power consumption: ≤3W

Working condition:

• Temperature: 0 to 55°C
• Humidity: <95% RH

Response time: ≤30s automatic resume

Sampling method: natural diffusion

Alarming level:

• Combustible gas: 10% LEL
• CO: 150ppm
• H2: 1,000ppm

Alarming method: visual and audible

Alarm sound: ≥80dB

Weight: about 270g

Dimensions (L x W x H): 126 x 78 x 37mm

Optional function: relay output and gas shut-off valve output