Henan Hanwei Electronics Co. Ltd

Model Number: GD wireless type Brand Name: Hanwei Key Specifications/Special Features: GD wireless gas alarmBrief introduction:GD wireless gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technologyIt provides visual and audible signals when the gas concentration reaches the presetting range, and reminds you to take prompt favorable actionYou may start up other link equipment, open windows or shut off gas supply to avoid fire, explosion, suffocation, and other malignant accident

Specifications:

• Makeup: transmitters and receiver
• Working power:
  • Transmitters: 220V AC, ±15% 50Hz, 24V/12V DC
  • Receiver: 220V AC, ±15% 50Hz
• Power consumption:
  • Transmitters: less than 3W
  • Receiver: less than 2W
• Environment temperature: 0 to 55°C
• Humidity: less than 95%
• Response time:
  • Transmitters: less than 30s
  • Receiver: less than 5s
• Gas sampling: diffuse naturally for transmitters
• Alarming level: for natural gas 10% LEL for transmitters
• Alarming method: visual and audible for transmitters
• Sound level: 90dB for transmitters
• Distance: 100m for receiver
• Weight:
  • Transmitters: 270g
  • Receiver: 128g
• Modulate method: both are ASK
• Modulate frequency: both are 433MHz
• Frequency stabilization: both ar 10-5
• Transmit speed: both are less than 10Kbps