Product Description
Figaro TGS2620
The sensing element is comprised of a metal oxide semiconductor layer formed
on an alumina substrate of a sensing chip together with an integrated heater.
In the presence of a detectable gas, the sensor's conductivity increases
depending on the gas concentration in the air. A simple electrical circuit can
convert the change in conductivity to an output signal which corresponds to the
gas concentration.
The TGS 2620 has high sensitivity to the vapors of organic solvents as well as
other volatile vapors. It also has sensitivity to a variety of combustible gases
such as carbon monoxide, making it a good general purpose sensor.
Due to miniaturization of the sensing chip, TGS 2620 requires a heater current
of only 42mA and the device is housed in a standard TO-5 package.
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