Series:	IR1
Part Status:	Active
Type:	CO2
Accuracy:	--
Output:	Voltage
Operating Temperature:	-20°C ~ 55°C
Voltage - Supply:	3 V ~ 5 V
Current - Supply:	35mA

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Gas Sensors: IR11EJ Application Field and Working Principle

Thermal conductive gas sensors, like the IR11EJ, are built for the detection of hydrocarbons, such as methane (CH₂) and ethylene ( C₂H₂). The device houses a pyro-electric sensor, along with an integrated heater, power management circuitry and signal processing. By measuring the infrared radiation emitted from the gas molecules in the air, a gas concentration can be determined.

How Does it Work?

The IR11EJ uses the pyro-electric effect to detect infrared radiation as a result of molecular vibrations. On the surface of the device is a thin layer of pyro-electric material that can absorb energy from infrared radiation and convert it into an electrical voltage. When the pyro-electric material is heated up by an integrated heater, the material\'s electric charge will decrease as the temperature increases. The change in electric charge generates a voltage difference that is proportional to the infrared radiation from the target gas.

Application Fields

The IR11EJ can be used in a number of applications, such as leak detection, fire detection, gas concentration measurement and safety applications. As the device is designed for detection of hydrocarbons, it can be used to detect methane and ethylene in particular, ensuring a safe and well regulated environment in a given area.

Advantages of IR11EJ

The IR11EJ is a reliable and accurate thermal conductive gas sensor, designed with a number of advantageous features. The advanced power management system and signal processing keep power consumption low, allowing for a long product life. In addition, the sensor is easy to install and is resistant to dust, dirt and moisture.

Conclusion

The IR11EJ is an extremely useful thermal conductive gas sensor, capable of detecting hydrocarbons like methane and ethylene with great accuracy and precision. Its integrated heater maintains a heated surface, making it easier to detect changes in electric charge related to infrared radiation from target gas molecules. The device boasts low power consumption and is able to easily withstand dirt, dust and moisture. As a result, it is a reliable and efficient gas sensor for a number of applications, including leak detection, fire detection, gas concentration measurement and safety applications.

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