The most critical performance of gas alarms requires both high sensitivity to the gas being detected and high stability and immunity to interference. However, the gas sensors used in gas alarms tend to have different degrees of "drifting". Therefore, pay more attention to the selection of gas alarms, and make clear purchases. Let me talk about the things to pay attention to when choosing to purchase a gas alarm:
1. It should be purchased according to the type of gas used. Gas alarms are generally not general-purpose, especially toxic gas alarms. Carbon monoxide alarms are installed in places where carbon monoxide is present, hydrogen sulfide gas alarms are installed in places where hydrogen sulfide is present, and artificial gas is installed. Artificial gas alarms should be used in the premises. For flammable gas alarms, it is recommended to use natural gas alarms in natural gas sites and liquefied gas alarms in liquefied petroleum gas sites. However, in places where a variety of combustible gases are present, the gas alarm can be detected by ordinary flammability and can be used universally.
2, the purchase of gas alarm should choose the products of enterprises with good market reputation, it is best to conduct some research before the purchase, because on the one hand, the gas alarm products on the market are mixed; on the other hand, the gas alarm is a long-term use product. When there is no gas leakage, the performance and quality are not seen, so the long-term stability is very high. However, the product standards of gas alarms are still insufficient in assessing their long-term stability performance. Therefore, the research and quality of the products by the production enterprises Control is very important to the performance quality of the product. You can also learn about the use of the product from the users who have used it for a long time, and the test results of the gas alarms used in the product inspection unit for reference.
3, the use of gas alarms should pay attention to the long-term stability and service life of the alarm, the alarm, especially its sensor has a long life, should be known to the seller and the manufacturer when purchasing. At the same time, due to the importance of safety of gas alarms used in public places, professional inspection structures can be commissioned for regular inspection to ensure their normal use.
