DAHUA HY-GA40A Natural Gas Alarm

In stock
Regular price $1,000,000.00

Estimated delivery date: 2023-10-30

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Quality Certifications:



Natural Gas Alarm

> High-performance sensor, intelligent and accurate detection of gas leakage, and send out alarm signal timely
> Operate stably and identify gas type effectively
> Intelligent linkage to close pipeline valve and start exhausting fan
> A built-in high-volume buzzer, 70dB (A) at 1m (3.28 feet)
> Three indicator lights for displaying device status clearly

Product Data

Technical Specification



Gas Type

Methane (CH₄)

Alarm Threshold

10% LEL

Response Time

≤30 s

Supply Voltage


Power Consumption



1 valve output, 1 relay output

Operating Temperature

–10°C to +55°C (+14°F to +131°F)

Relative Humidity

≤95% RH (non condensing)

Warm-up Period

180 s

Alarm Method

Visual and audible alarm

Alarm Sound Output

70dB (A) at 1m (3.28 feet)




86.6 mm × 86.6 mm × 29.2 mm (3.41" × 3.41" × 1.15")


Wall mount