What types of gas detectors are available?
Gas detector is mainly used to detect the concentration of gas leakage, according to the detection mode can be divided into fixed online and portable handheld, fixed online gas detector, also known as point gas detector, is fixed installed in a suitable location, able to 24 hours continuous monitoring of the gas concentration in the environment. Portable handheld commonly used in rapid detection of gas concentration occasions, according to the different sampling methods will be portable gas detector is divided into portable pump suction type and portable diffusion type, pump suction type is equipped with suction pumps inside the instrument, detection speed is faster, relatively speaking, the accuracy is also higher. Portable diffusion type is the gas sensor directly in contact with the environment, based on the performance of air circulation, detection speed is relatively slow.
Can also be divided into a single gas detector and all-in-one gas detector in accordance with the role of the function of the gas detector, the common all-in-one gas detector has a three-in-one, four-in-one, five-in-one and six-in-one, all-in-one is able to detect a variety of gases at the same time, the general stationary all-in-one need to take into account the specific gravity of the gas and the air to determine the height of the installation, to determine whether you can use the all-in-one type. Portable all-in-one type does not need to consider the type of gas, can realize a variety of gases random combination.
In addition, according to the principle of gas detection, gas detectors can also be divided into catalytic combustion, electrochemical, thermal conductivity, infrared, PID photoionization, etc. Most combustible gases can be detected using catalytic combustion. Most of the combustible gases can be used catalytic combustion type, toxic gases can be used electrochemical type, higher precision requirements can be used infrared type, PID type is used to detect VOC gas.
Gas detector is widely used, powerful, mainly used in the following situations. First, in a variety of production processes, there may be gas leakage, these gases or toxic or flammable, in order to avoid fire, personnel poisoning and other accidents, you need to detect these gases. The second is to overhaul the equipment for storing and transporting dangerous gases, and to detect whether there are residual dangerous gases in the environment after equipment maintenance. Third, when entering a confined space to pay attention to whether the oxygen under the space is sufficient and whether there is the presence of dangerous gases. Fourth, safety inspections, including safety inspections by law enforcement agencies and safety inspections by the enterprises themselves.
For the choice of gas detector, you can use WinRun environmental protection company produces and sells ERUN-PG71S5 handheld pump suction gas detection alarm, this instrument can detect up to 1-5 kinds of gas concentration at the same time, and in the concentration of the exceeding the standard alarm, the alarm signal is obvious. The unit can be switched to support long-distance adoption; large data storage capacity, while supporting data upload. Printer function can directly print the data, 6000mA high-capacity rechargeable battery, able to work outdoors for a long time.
