75-224103230659

Series:	--
Part Status:	Active
Type:	Nitrogen Dioxide (NO2)
Accuracy:	--
Output:	4mA ~ 20mA
Operating Temperature:	-20°C ~ 40°C
Voltage - Supply:	10 V ~ 30 V
Current - Supply:	--

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Gas Sensors Application Field and Working Principle

Gas sensors are instruments used for the detection and measurement of gas concentrations in the atmosphere or any environment. A gas sensor typically consists of a sensing material, typically a metal oxide semiconductor, a preamplifier, and a signal processing circuit.The application field of gas sensors covers an extensive range of gas concentrations from parts-per-billion (ppb) to percent levels, depending on the technology used. Gas sensor applications include HVAC/R systems, combustion processes, atmospheric monitoring, hazardous gas leak detection, oxygen deficiency detection, aerospace, medical applications, and industrial process control and management, among others.Gas sensors have become an increasingly important part of today\'s automation and process control systems, both in existing and new applications. For several applications, the use of gas sensors is now preferred to the traditional manual processes, as they are proven to offer improved accuracy, safety and higher efficiency.The most common sensing materials used for gas sensors are metal oxide semiconductors. Metal oxide semiconductors have excellent electrical properties and have a gas-sensing capability. Depending on the application, the sensing material can be effectively tailored for a specific application.The working principle of a gas sensor is based on the principle of changes in electrical conductivity in the presence of gases. The sensing material detects the presence of gas molecules, which interact with the surface of the sensing material and cause a change in its electrical properties. This change in the electrical properties is measured by the electrical circuit, which is then used to calculate the concentration of the gas present in the atmosphere.In addition to the sensing material, gas sensors also consist of a preamplifier that amplifies the signal from the sensing material and a signal processing system that converts the signal from the sensing material into an output that can be used by the user. The amplifiers and signal processing system typically use signal processing algorithms such as Kalman filtering and fuzzy logic to improve the accuracy and reliability of the sensor\'s output.Besides being used in automation and process control systems, gas sensors can also be used in safety systems for detecting hazardous gas concentrations and in environmental applications such as air quality monitoring. Gas sensors are also increasingly being used in medical applications such as breathalyzers for alcohol detection and in industrial applications such as for the detection of gas leaks and the monitoring of combustion processes.Overall, gas sensors play a crucial role in ensuring safety and providing a high level of accuracy in industrial, environmental, and medical applications. With their extensive range of applications, gas sensors have become a must-have in our connected world.

The specific data is subject to PDF, and the above content is for reference