The Dahua HY-GA40A detector continuously monitors the concentration of methane in the air and triggers an alarm when it reaches 10% of the lower explosive limit. The alert includes an audible alarm, a flashing LED and a signal to the central alarm unit. It features self-diagnostics and a mute function, and can be connected to an external fan and gas shut-off valve.
- Gas type: Natural gas (methane)
- Alarm type: Audible and visual, with a signal to the central alarm unit
- Alarm volume: 70 dB / 1 m
- Measurement response time: ≤ 30 s
- Self-diagnostics: Yes
- Alarm mute: Yes
- Relay output: NO
- Button: TEST/SILENCE
- Operating status indicator: LED
- Power supply: 12 V DC / 1 A
- Operating temperature: -10 °C to 55 °C
- Dimensions: 87 x 87 x 26 mm
- Input Type
- Card
- Attendance Time Clock
- No
- Waterproof
- No
- Bluetooth
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.