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Methane and LP Gas sensor - TGS6812 TGS 6812-D00

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Specifications:
1) Target gases : Hydrogen, methane, iso-butane
2) range:0~100%LEL of each gas
3) Response time (90%) < 15 sec.
4) Circuit Voltage:3.0±0.1V AC/DC
5) Heater current:175mA (typical).

Model Number: TGS6812 TGS 6812-D00

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Product Specification

Features:

* Linear output
* Long life
* Small sensitivity to alcohol
* Sensitive to hydrogen, methane, and LP gas

Applications:

* Hydrogen and combustible gas leak detectors for fuel cells

The TGS6812-D00 catalytic type gas sensor can detect levels of hydrogen up to 100%LEL. This sensor features high accuracy, good durability and stability, quick response, and linear output. This sensor can detect not only hydrogen, but also methane and LP gas, thus making it an excellent solution for monitoring gas leakage from staionary fuel cell systems which transform combustible gases into hydrogen. As the sensor possesses an adsorbent inside its sensor cap, its cross sensitivity to organic vapors is small. In addition, TGS6812-D00 is durable against silicone compounds in harsh environments.

The figure below represents typical sensitivity characteristics, all data having been gathered at standard test conditions (see reverse side of this sheet). The Y-axis is indicated as sensor output sensitivity -- ΔVout (mV):
ΔVout = Vout in gas - Vout in air

Sensitivity Characteristics:

The figure below represents typical temperature dependency characteristics at 65%RH. Again, Y-axis is indicated as sensor output sensitivity -- ΔVout (mV):
ΔVout = Vout in gas - Vout in air at 20˚C

Temperature Dependency: