KSh 1,790(KSh 2,076 Incl VAT)
Device Type: Standalone LPG (Propane) Gas Leak Detector / Alarm
Model / SKU: DHI-HY-GB40A (also marketed under the Wisualarm brand)
Gas Type: Propane (C₃H₈) / LPG (Liquefied Petroleum Gas)
Sensor Type: Catalytic gas sensor
Alarm Threshold: 10% LEL (Lower Explosive Limit)
Response Time: ≤30 seconds
Alarm Sound Output: 70 dB(A) at 1 m (3.28 ft)
Alarm Method: Visual (3 status indicator LEDs) and audible alarm
Silence Function: Supported (manual silence button)
Outputs: 1 valve output + 1 relay output (for intelligent linkage to close a gas shut-off valve and start an exhausting fan)
Power Supply: DC 12V (power adapter included)
Power Consumption: ≤0.8W
Warm-up Period: 180 seconds
Operating Temperature: –10°C to +55°C (+14°F to +131°F)
Relative Humidity: ≤95% RH (non-condensing)
Physical & Installation: Dimensions 86.6 mm × 86.6 mm × 29.2 mm (3.41" × 3.41" × 1.15"); Wall-mount installation. Critical installation note: Mount the LPG detector 15 cm to 30 cm above the floor, as LPG is heavier than air.
Certification: CE
Key Specs: Dahua HY-GB40A standalone LPG gas alarm, catalytic sensor, propane (C₃H₈) detection at 10% LEL, ≤30s response, 70dB(A) audible alarm at 1m, 3 status LEDs, valve + relay outputs for fan/valve linkage, DC12V/≤0.8W, 180s warm-up, compact 86.6×86.6×29.2mm wall-mount housing, CE certified
Usage: Early warning of LPG/propane leaks in residential kitchens, B&Bs, hotels, restaurants, and other spaces using LPG appliances; the relay and valve outputs enable automatic gas shut-off and ventilation fan activation upon detection, making it suitable for both standalone protection and simple safety interlock setups.
