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TGS816

Figaro
Part Number TGS816
Manufacturer Figaro
Description Combustible Gases Detection
Published Oct 20, 2014
Detailed Description FIGARO PRODUCT INFORMATION TGS 816 - for the detection of Combustible Gases Features: * General purpose sensor with se...
Datasheet PDF File TGS816 PDF File

TGS816
TGS816

Overview
FIGARO PRODUCT INFORMATION TGS 816 - for the detection of Combustible Gases Features: * General purpose sensor with sensitivity to a wide range of combustible gases * High sensitivity to methane, propane, and butane * Long life and low cost * Ceramic base resistant to severe environment Applications: * Domestic gas leak detectors and alarms * Portable gas detectors The sensing element of Figaro gas sensors is a tin dioxide (SnO2) semiconductor which has low conductivity in clean air.
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 816 is not only sensitive to a wide range of gases, it also has a ceramic base which can withstand severe environments up to 200°C.
It has high sensitivity to methane, propane, and butane, making it ideal for natural gas and LPG monitoring.
The sensor can detect a wide range of gases, making it an excellent, low cost sensor for a variety of applications.
The figure below represents typical sensitivity char-acteristics, all data having been gathered at standard test conditions (see reverse side of this sheet).
The Y-axis is indicated as sensor resistance ratio (Rs/Ro) which is defined as follows: Rs = Sensor resistance of displayed gases at various concentrations Ro = Sensor resistance in 1000ppm methane Sensitivity Characteristics: 10 1 Air 2.
0 The figure below represents typical temperature and humidity dependency characteristics.
Again, the Y-axis is indicated as sensor resistance ratio, defined as follows: Rs = Sensor resistance at 1000ppm of methane at various temperatures/humidities Ro = Sensor resistance at 1000ppm of methane at 20°C and 65% R.
H.
Temperature/Humidity Dependency: Carbon Monoxide Rs/Ro 1.
5 0% R.
H.
1 Rs/Ro Methane Ethanol Propane Isobutane Hydrogen 0.
1 500 1000 3000 5000 10000 Concentration (ppm) 20% ...


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