Supply household kitchen dedicated gas detectors, gas alarm, the whole year warranty, quality assurance combustible gas Yong Kang YK-828RQ02 Product Description: Detection of gas: natural gas, LPG, city gas (H2) Volume: 110mm * 70mm * 40mm Operating voltage: 220VAC or 110VAC, 12VDC-20VDC unique: (1) new sensor drift automatic compensation function, truly prevent false positives and false negatives (2) failure prompted the alarm function for the user to replace and repair, prevent do not report (3) MCU overall control, the working temperature of -10 degrees to 60 degrees (4) seamless: seamless and home improvements, without breaking any point the United States (5) Easy installation: exactly the same as ordinary wall socket switch can be replaced Installation Networking: wired networking functions (NO, NC) Features: attractive appearance, and housing decoration seamless, high-end users for the gas explosion was due to gas (including natural gas, coal gas, liquefied petroleum gas) concentrations exceed a certain values, in general, this value is: methane (the main component of natural gas) explosion limit is 5.0% (= 50000ppm) propane (LPG main ingredient) explosion limit is 2.0% (= 20000ppm) hydrogen (the main component of coal gas) explosion The lower limit of 4.0% (= 40000ppm) the proportion of the air when the gas reaches this value, easily cause an explosion. Therefore, to prevent the gas explosion desired product, called combustible gas or gas detectors, their function is to detect the above three gas, when the gas concentration reaches a certain level alarm. The gas is not carbon monoxide, that is, if the gas is leaking, then it does not lead to gas poisoning, but is easy to cause an explosion, because the air full of flammable gas, and no carbon monoxide. Carbon monoxide is in the case of incomplete combustion of coal, charcoal, gas, straw, etc., appear. Complete combustion is carbon dioxide, the proportion of incomplete combustion due to oxygen in the air and the combustible gas lead to poor combustion is not sufficient. Whether rural or urban, whether burning is coal briquettes or gas, leading to death was carbon monoxide gas poisoning. Therefore, to prevent gas poisoning, you should choose to use the product is carbon monoxide detectors. Direct gas leak, easily lead to spark detonated, but does not directly lead to gas poisoning. As long as there is insufficient combustion, will produce carbon monoxide, lead to gas poisoning. Therefore, the combustible gas is used to detect a gas explosion detection products, its main function is to detect combustible gas content in the air. The carbon monoxide alarm, when the gas is used to detect carbon monoxide content of the combustion air. The object to be detected is different. Popular speaking, when you forget to turn off the gas, easy to cause an explosion, should be equipped with combustible gas. And when you are home population, the need has been using gas water heater, the gas in the normal combustion, but due to the oxygen in the air and the combustible gas lead to carbon monoxide ratios are different, this time to be equipped with carbon monoxide detectors. I developed the company produced a new generation of household gas leak alarm, alarm company in strict accordance with the national standard for the production, with sound and light alarm function, performance is quite stable, high sensitivity, good looks, can be widely used in high-rise buildings, intelligence community, hotels and households and other civilian sites. home combustible new sensor drift automatic compensation function, truly prevent false positives and false negatives. choice of world-class low power consumption, high-quality gas sensors, through micro-processing control, special electronic technology refining process. Overcome the false difficulties, high stability and long life. When flammable gas leaks and reaches the set alarm levels, the alarm will be issued at the scene to sound and light alarm signals; trigger remote alarm system; ventilation or air source close linkage function. From the fundamental solution to the safe use of gas, and effectively prevent fire due to gas leak caused the explosion, asphyxia, death and other serious accidents. The use of domestic gas detectors and gas and electric utilities supporting the installation, you can effectively control the home due to improper use of gas, grossly negligent conduct by a gas leak, explosion, fire, gas poisoning and other dangerous accidents! This security products have been widely used in foreign countries, it is easy to install, affordable, essential household items to select your. Combustible gas can be said: combustible gas alarm, gas detectors, gas alarm, combustible gas days; because it can detect LPG, natural gas can be detected; family safe use of combustible gas is a good helper. Welcome to the user, "Yong Kang" brand of combustible gas alarm! The machine can continuously and automatically detect the degree of indoor gas leak, audible alarm at 1 / 10-1 / 4 to reach the gas explosion solubility limit (LEL), and outputs an alarm signal to the alarm system or launch the appropriate linkage, effectively prevent fires due to gas leak caused the explosion accidents, suffocation and death. Such combustible gas can be used independently, but also Internet use; they can be connected to shut-off valves automatically close the gas source. Our solemn promise: never produce low quality! No guarantee of products! For your safety in the home! We have been working hard!