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Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

2026-04-29

Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

HY-GA40A

Overview Specifications Download Sales Enquiry
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HY-GA40A

Natural Gas Alarm

Key Points
    > 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


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Datasheet

Specifications

Technical Specification

Model

DHI-HY-GA40A

Gas Type

Methane (CH₄)

Alarm Threshold

10% LEL

Response Time

≤30 s

Supply Voltage

DC12V

Power Consumption

≤0.8W

Output

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)

Silence

Support

Dimensions

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

Installation

Wall mount

Certification

CE

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