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 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