What gases can the gas detectors monitor?
Introduction of gas detector
The gas detector is an instrument used to detect the concentration of gas leakage. The working principle of the gas detector is mainly to use the internal gas sensor to detect whether there is gas in the environment. Gas sensors are used as reference points or scales and are the heart of gas leak detectors. Different gas sensors can respond to different gases, so that gas detectors can detect different types and concentrations of gases. When the detected gas concentration exceeds the preset value, an alarm will sound to warm the user. Therefore, it is an important part of the security system to keep your life safe.
What types of gases can gas detectors monitor?
So, what gases can the gas detector detect? In daily life and work, there are usually three categories of gases to be measured by gas detectors, namely flammable gases, toxic gases and VOC (volatile organic compounds).
Combustible gas and monitoring equipment
Combustible gases are the most common type of gas and need to be monitored by gas detectors. Combustible gas can be evenly mixed with air (or oxygen) to form premixed gas within a certain concentration range. It explodes when it encounters a fire, releasing gas with a lot of energy as it burns.Such gases are commonly found in working environments such as petrochemical and chemical manufacturing.
Common combustible gases are hydrogen (H2), carbon monoxide (CO), methane (CH4), ethane (C2H6), propane (C3H8), butane (C4H10), ethylene (C2H4), propylene (C3H6), butene ( C4H8), acetylene (C2H2), propyne (C3H4), butylacetylene (C4H6), hydrogen sulfide (H2S), phosphine (PH3), etc.
Some gas detectors can only detect one gas, while others can detect multiple gases. When choosing a combustible gas detector, it should be determined according to the site environment. If the working environment is relatively simple and there is only a single gas, then we will choose a single gas detector. But the actual working environment is very complicated. We often encounter a mixture of various gases, such as liquefied petroleum gas, natural gas, coal gas, etc., and the gas contains a variety of combustible gases. In this case, we need a multi-gas detector, which can detect which combustible gas content is high in the mixed gas, so as to avoid the danger of combustion and explosion.
Toxic gas and monitoring equipment
Toxic gas refers to the gas that is harmful to the human body and even causes poisoning. It is mainly divided into irritating gas (which can irritate the eyes and mucous membranes of the respiratory tract) and asphyxiating gas (which can be caused by the lack of oxygen in the body). These gases will directly cause harm to the human body and are also very dangerous.Common toxic gases are carbon monoxide (CO), hydrogen sulfide (H2S), ammonia (NH3), chlorine (CL2), sulfur dioxide (SO2), etc.
The multi gas detector supports the detection of combustible gases, toxic and harmful gases. Multi-gas detector can simultaneously monitor four kinds of toxic combustible gases, supporting gas detection parameters 4, 1,2 and 1,3 and 1 free customization. Multiple gas detector, waterproof and dust-proof. Accurate detection data, sound and light alarm. Long service life.The Multi gas detector can be used in gas leakage, pharmaceutical factories and other scenes.
VOC (Volatile Organic Compounds) and monitoring equipment
VOC refers to any organic liquid or solid that volatilizes at normal temperature and pressure, and is usually called an organic solvent. VOC gas detector can detect gasoline, diesel, benzene, crude oil, paint, etc.
VOC gas monitoring systems can be used to determine total hydrocarbons, methane, non-methane total hydrocarbons and benzene in ambient air. Toluene, xylene and characteristic pollutant concentration. The monitoring data can be transmitted to the monitoring center in real time to realize the management functions of pollutant data display, alarm management and data analysis. At the same time, we can provide customized solutions for different working conditions and customer needs.