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How to choose a household combustible gas sensor

2020-01-03 09:22

With the rapid development of urban gas pipelines, many communities and residents have installed gas in their homes, which has brought benefits to improve economic efficiency, reduce urban air pollution and improve residents' lives. However, if it is not handled properly during use, various problems that follow will also cause a large amount of gas hazards.

Recently, gas leaks due to improper operation by residents have occurred in many places. Fortunately, there were no casualties, which sounded the alarm for gas safety around us. In fact, many people who use gas have relatively weak gas safety awareness and lack basic knowledge about gas use.

In the past two years, with the popularization of the concept of smart home and the improvement of home safety awareness, the utilization rate of combustible gas sensors and gas alarms has further improved. Combining gas alarms with smart home control, alarm linkage has become increasingly efficient.

We know that for domestic gas alarms, the most critical performance indicator is that it requires high sensitivity to the detected gas, and it must have high stability and anti-interference. Because the flammable gas sensor is used in the alarm, there will be different degrees of drift tendency during use. At this time, it is particularly important to choose a high-quality combustible gas sensor.

So, what sensor-related factors should users consider when choosing to buy a combustible gas sensor? It can be explained from the following two aspects:

First, the type of measurement gas

the first is the type of gas, and users need to purchase equipment based on the type of gas being measured. Combustible gas sensors are not universal. Because the gas composition is different in different regions, a flammable gas sensor that has been calibrated and tested for the local gas composition should be used.

In general, natural gas sensors are used in natural gas applications. In liquefied petroleum gas, liquefied petroleum gas sensors calibrated with liquefied petroleum gas or general-purpose combustible gas detection alarms should be used.

Second, the life of combustible gas sensors

when choosing to buy a flammable gas sensor, the user should pay attention to the long-term stability and service life of the sensor. Some flammable gas sensors have a relatively short service life, so check and calibrate regularly to avoid affecting the accuracy of the measurement results. As for the combustible gas sensor, it is necessary to choose a sensor with high sensitivity to methane gas, so that it is an ideal gas sensor for household gas leak alarms.