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PDF TGS-2602 Data sheet ( Hoja de datos )
| Número de pieza | TGS-2602 | |
| Descripción | Gas Sense | |
| Fabricantes | Figaro | |
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FIGARO
PRODUCT INFORMATION
TGS 2602 - for the detection of Air Contaminants
Features:
Applications:
* High sensitivity to VOCs and odorous gases
* Low power consumption
* High sensitivity to gaseous air
contaminants
* Long life
* Uses simple electrical circuit
www.DataSheet4*U.Scommall size
* Air cleaners
* Ventilation control
* Air quality monitors
* VOC monitors
* Odor monitors
The sensing element is comprised of a metal oxide semiconductor layer formed
on the alumina substrate of a sensing chip together with an integrated heater.
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 2602 has high sensitivity to low concentrations of odorous gases such
as ammonia and H2S generated from waste materials in office and home
environments. The sensor also has high sensitivity to low concentrations of
VOCs such as toluene emitted from wood finishing and construction products.
Figaro also offers a microprocessor (FIC93619A) which contains special
software for handling the sensor's signal for appliance control applications.
Due to miniaturization of the sensing chip, TGS 2600 requires a heater current
of only 42mA and the device is housed in a standard TO-5 package.
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
resistance ratio (Rs/Ro) which is defined as follows:
Rs = Sensor resistance in displayed gases at
various concentrations
Ro = Sensor resistance in fresh air
The figure below represents typical temperature and humidity
dependency characteristics. Again, the Y-axis is indicated as
sensor resistance ratio (Rs/Ro), defined as follows:
Rs = Sensor resistance in fresh air
at various temperatures/humidities
Ro = Sensor resistance in fresh air
at 20°C and 65% R.H.
Sensitivity Characteristics:
Temperature/Humidity Dependency:
10 10
1 Air
Hydrogen
Hydrogen
sulfide
Ammonia
Ethanol
1
0.1
Toluene
40% R.H.
65% R.H.
85% R.H.
0.01
0.1
1 10
Gas concentration (ppm)
0.1
100 0 10 20 30 40 50 60
Ambient temperature (˚C)
IMPORTANT NOTE: OPERATING CONDITIONS IN WHICH FIGARO SENSORS ARE USED WILL VARY WITH EACH CUSTOMER’S SPECIFIC APPLICATIONS. FIGARO STRONGLY
RECOMMENDS CONSULTING OUR TECHNICAL STAFF BEFORE DEPLOYING FIGARO SENSORS IN YOUR APPLICATION AND, IN PARTICULAR, WHEN CUSTOMER’S TARGET GASES
ARE NOT LISTED HEREIN. FIGARO CANNOT ASSUME ANY RESPONSIBILITY FOR ANY USE OF ITS SENSORS IN A PRODUCT OR APPLICATION FOR WHICH SENSOR HAS NOT BEEN
SPECIFICALLY TESTED BY FIGARO.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet TGS-2602.PDF ] | |
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