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Gas Sensors

Gas sensors are devices that detect the presence of specified gases, often in the air. Sensors can be used to monitor hazardous environments by detecting the presence of volatile organic compounds (VOCs). Gas sensors can also be used to detect the presence of gases such as methane, propane, ethanol, carbon monoxide, nitrogen oxide, and sulfur dioxide. They are also used for safety applications such as in air monitoring and fire detection.

The VQ631M/1 is a gas sensor from the VQ631 series of gas sensors. This series of sensors is designed to detect a wide variety of VOCs, including methane, ethylene, propane, ethanol, carbon monoxide, nitrogen oxide, and sulfur dioxide. The VQ631M/1 is a highly sensitive, low-cost gas sensor with a long lifetime. It is ideal for use in hazardous environments, where VOCs are present.

Application Field

The VQ631M/1 can be used in a variety of applications where monitoring of VOC levels is necessary. This includes industrial and commercial applications such as manufacturing, food processing, HVAC systems, air monitoring in industrial sites, and leakage detection in pipelines. Additionally, it can be used for indoor air quality monitoring, in safety applications such as fire detection, and detection of toxic gases in medical and laboratory settings.

Working Principle

The VQ631M/1 works using the catalytic combustion principle. This involves a chemical reaction between a combustible gas and an oxidizer (typically oxygen). The reaction produces heat, which is then detected by the sensor. The sensor produces an output voltage which is proportional to the concentration of the combustible gas.

The VQ631M/1 has a high detection sensitivity, with a lower limit detection of 100 ppm. It has a wide detection range, from 0 to 5000 ppm, and is designed to be used in environments with temperatures between -20°C and 75°C and relative humidity between 0%-90%.

The VQ631M/1 is designed to be easy to use and reliable in hazardous environments. It has a fast response time (less than 10 seconds) and a long operating life, up to 5 years.

Conclusion

The VQ631M/1 is a versatile and reliable gas sensor that can be used in a number of applications and environments. It is designed to detect a wide range of VOCs, with a low limit detection of 100 ppm. It has a fast response time, long operating life, and is designed to withstand temperatures from -20°C to 75°C and relative humidity levels from 0%-90%.

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