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Kategori: Sensor

FIGARO TGS 2201 Gas Sensors

Features:
* Dual sensor element
* High sensitivity to exhaust gases emitted by both gasoline and diesel-fueled engines
* Long life and low cost
* Uses simple electrical circuit

Applications:

* Automobile ventilation control

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 changes 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 2201 contains two independent sensing elements on one substrate and produces separate output signals for responding to diesel and gasoline exhaust gases. This feature makes TGS2201 is an ideal senor for application in automatic damper control systems for automobile ventilation.

Element 2 – Gasoline exhaust gas
Element 1 – Diesel exhaust gas
Gasoline exhaust gas typically contains CO, H2, and uncom A major component of diesel exhaust gas is NOx. The figure busted hydrocarbons. The figure below represents typical below represents typical sensitivity characteristics for Element sensitivity characteristics for Element 2, all data having been 1, all data having been gathered at standard test conditions (see gathered at standard test conditions (see reverse side of this reverse side of this sheet). The Y-axis is indicated as sensor sheet). The Y-axis is indicated as sensor resistance ratio (Rs/Ro) resistance ratio (Rs/Ro) which is defined as follows:

which is defined as follows:
Rs = Sensor resistance in displayed gases at
Rs = Sensor resistance in displayed gases at
various concentrations
various concentrations
Ro = Sensor resistance in clean air
Ro = Sensor resistance in clean air

datasheet

 


• HARGA: Rp. 499.000,-
• STOK: 0 item


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