VQ621TS/3

Series:	VQ600
Part Status:	Active
Type:	Hydrocarbons
Accuracy:	--
Output:	Voltage
Operating Temperature:	-20°C ~ 60°C
Voltage - Supply:	2V
Current - Supply:	300mA

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Gas Sensors

Gas sensors are devices used to detect and measure the concentration of various gases in a sample of the gas. Gas sensors can be used to detect a wide variety of gases, such as carbon monoxide, methane, propane, butane, and many others. The VQ621TS/3 gas sensor is a solid-state sensor used to detect the presence of methane in a sample of air.

VQ621TS/3 Application Field

The VQ621TS/3 gas sensor is designed for use in detection and monitoring applications such as home safety, industrial safety, and environmental monitoring.The VQ621TS/3 can be used in applications such as:

• Detecting combustible gas leaks, such as methane, propane, and butane in residential and commercial buildings
• Detecting combustible gas leaks in industrial, manufacturing, and refining processes
• Tracking and measuring the concentration of various gases in the atmosphere
• Monitoring the quality of indoor air, such as industrial factories or other enclosed environments
• Monitoring the concentration of combustible gases in underground areas, such as tunnels and mines

VQ621TS/3 Working Principle

The VQ621TS/3 gas sensor operates on the principle of catalytic oxidation. The device consists of an electrochemical cell containing a porous layer of platinum electrodes. A sample of the gas to be sensed is passed through the cell and exposed to the electrodes. When the gas contacts the electrode, it is heated and oxidized in the presence of catalysts, resulting in a change in the electrical resistance of the electrode. This change in resistance is measured and can be used to calculate the concentration of the gas in the sample.The sensitivity of the VQ621TS/3 can be adjusted by changing the concentration of the catalysts in the cell. The sensor can also be programmed to detect multiple gases, depending on the type of catalysts used. In addition, the sensor is temperature and humidity compensated, which ensures accurate measurements regardless of environmental conditions.

Conclusion

The VQ621TS/3 gas sensor is a versatile and reliable device designed for detection and monitoring applications such as home safety, industrial safety, and environmental monitoring. The sensor operates on the principle of catalytic oxidation, and is capable of detecting a wide variety of combustible gases, with sensitivity adjustable by changing the concentration of catalysts in the cell. The device is temperature and humidity compensated to ensure accurate measurements regardless of environmental conditions.

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