When it comes to sensors, people usually hear more and see less. In fact, with the increasing development of sensor technology, its application scenarios have penetrated into military, energy，ect.

As the use of the Internet of Things (IoT) increases, our demand for sensors is rising. This article will introduce four different types of the most popular sensors currently used in manufacturing, healthcare, aviation and agriculture industries.

The combustible gas alarm is an explosion-proof and explosion-proof equipment, and should not be used beyond the specified scope.

The quality of the combustible gas alarm is generally judged by detecting the concentration of the leaked carbon monoxide gas.