Supply of household gas alarm with an emergency shut-off valve can Yongchang Electronic Co., Ltd. of Shenzhen City - Yongkang licensing combustible gas I. Background: In order to meet the market for gas explosion prevention, Shenzhen Yongchang Electronic Co., Ltd. developed the professional testing Gas explosion alarm products, his name is Yong Kang combustible gas Second, applications and use of objects: household gas leak alarm widely used in urban security, residential, factories, companies, schools, homes, villas, warehouses, resources, petroleum, chemical, gas distribution, and other fields. Can be used alone, it can also be networked with the controller host. Third, the reference number: YK-828 / RQ02J Information Name: home combustible gas four Description: stand-alone or networked home combustible gas, the use of (US) imports of gas for the catalytic combustion sensor family, completely solve the false alarm, chaos alarm, combustible gas freestanding improve family life. This product is designed to follow the national standards GB15322.2-2003 and CJ3057-1996 "household gas leak alarm" standards. Fifth, the company engaged in products: household gas alarm, carbon monoxide alarm, car combustible gas, water overflow alarm, temperature alarm, smoke alarm, industrial gas alarm, fire alarm system of large-scale security manufacturers. Sixth, the performance parameters: Detection of gas: natural gas, LPG, city gas (H2) Operating voltage: 220VAC or 110VAC, 12VDC-24VDC Working temperature: -10 ℃ - 50 ℃ Working environment: Humidity ≤97% RH linkage function: to equip linkage exhaust fan, manipulator, solenoid valve Networking: Wired networking: (NO, NC) Wireless networking mode: 315MHZ / 433MHZ (2262 OR 1527) Product Specifications: Weight: 240g Dimensions: 110 * 70 * 40mm Box size : 144 * 105 * 53m seven operating instructions a alarm installation location: within a radius of 1.5 meters from the gas source range, well-ventilated place:.. b gas, natural gas - lighter than air, floating aloft, wireless gas detector It should be installed in the upper portion of the gas source. Installing the wireless gas detectors and gas appliance or valve horizontal distance of not greater than 6m, mounting height from the ceiling should be less than 0.3m, and shall not be located above the gas appliance. c LPG - heavier than air and deposited on the lower, wireless gas detectors should be installed in the lower portion of the gas source. Installing the wireless gas detectors and gas appliance or valve horizontal distance of not greater than 3m, installation height from the ground should be less than 0.3m. d not install alarm Location: corner cabinet and other positions is not easy flow of air; direct smoked soot and other location easily. Eight, error handling and recovery 1, immediately open doors and windows, turn off air hazards can not be turned on or off any electrical switches. 2, report immediately to the gas management, check processing performed by professionals. 3, after the professionals, respond to alarms do aeration process.