What are the common classifications of gas detectors?
As we all know, gas detection is very necessary for safety protection. Gas detectors can effectively ensure gas detection in limited spaces and ensure the safety of the space. However, due to different application scenarios, there are currently many types of gas detectors, which can be subdivided into many gas detectors according to different classifications. So do you know what are the common classifications of gas detectors?
Common categories of gas detectors:
1. Classification by function:
There are single detectors and multi-function detectors: single gas detectors mainly detect a certain gas in the detection site and are used in large quantities. Multifunctional gas detectors include six-in-one gas detectors, five-in-one gas detectors, four-in-one gas detectors, etc., to meet the needs of different detection gas quantities.
2. Classification by detection gas:
There are flammable gas detectors, toxic gas detectors, common gas detectors, and special gas detectors. Among them, the price of common flammable and toxic gas detectors usually ranges from a few hundred to several thousand, while the price of special gas detectors is between It ranges from several thousand to tens of thousands. Common flammable and toxic gas detection instruments have the advantages of high cost performance and good performance, while special gases meet special inspection needs and are highly accurate, but are expensive.
3. Classification by place of use:
There are conventional types and explosion-proof types: the conventional type is produced in accordance with national standards and can meet the needs of all environments. The price ranges from several hundred to several thousand, and its characteristic is excellent cost performance. The explosion-proof type meets all detection needs in special places and is slightly more expensive.
4. Classification by user groups:
Available for household and industrial use: Household gas detectors cost tens to hundreds of yuan, are cost-effective and easy to use. They only need to be placed in a designated location and plugged in to the power supply to work. They can also be linked to the gas shut-off valve to achieve automated processing and eliminate hidden dangers. Cut off at the source. The requirements for various indicators of industrial gas detectors are very high, and they must meet the safety standards used in various places such as national standards and industry standards. The price ranges from a few hundred to several thousand yuan.
5. Classification according to usage:
There are portable (hand-held) and fixed (installed, wall-mounted): portable instruments that meet the requirements of on-site operators for safe gas detection before work, usually related to the usage scenario. The fixed type mainly realizes long-term uninterrupted detection to ensure the safety of the site. It does not require on-site personnel control and can be intelligently linked.
6. Classification by sampling method:
There are diffusion and pumping types: Diffusion gas detectors are very commonly used, and their prices are relatively low, ranging from a few hundred to several thousand yuan. The price of pump-type gas detectors is relatively high, usually ranging from several thousand yuan or more, and they mainly meet the special needs of special places.
7. Classification according to detection principle:
Combustible gas detection includes catalytic combustion type, semiconductor type, thermal conductivity type and infrared absorption type, etc.; toxic gas detection includes electrochemical type, semiconductor type, etc.
