for the detection of Air Contaminants - TGS 8100

Product Specification

Features:

* Surface mount package
* Low power consumption
* High sensitivity to cigarette smoke, cooking odors, and gaseous air contaminants
* Long life
* Low cost

Applications:
* Indoor air quality monitors
* Air cleaners
* Ventialtion control
* Kitchen range hood control

The sensing element is comprised of a sensing chip and an integrated heater
formed on a silicon substrate using MEMS technology, and a metal-oxide
semiconductor layer formed on the sensing chip. The device is housed in a
surface-mount ceramic package. Due to miniaturization of the sensing chip,
TGS 8100 requires a heater power consumption of only 15mW, and is suitable
for low-power equipment and battery-operated instruments. In the presence of
detectable gas, sensor conductivity increases depending on 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 8100 has high sensitivity to low concentrations of gaseous air
contaminants such as cigarette smoke and cooking odors. By utilizing the
change ratio of sensor resistance from the resistance in clean air as relative
response, human perception of air contaminants can be simulated and practical
air quality control can be achieved.

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