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PDF TGS2603 Data sheet ( Hoja de datos )
| Número de pieza | TGS2603 | |
| Descripción | detection of Odor and Air Contaminants | |
| Fabricantes | Figaro | |
| Logotipo |  |
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PRODUCT INFORMATION
TGS 2603 - for detection of Odor and Air Contaminants
Features:
Applications:
* Low power consumption
* High sensitivity to amine-series and
sulfurous odor gases
* High sensitivity to food odors
* Long life and low cost
* Uses simple electrical circuit
* Air cleaners
* Ventilation control
* Deodorizer control
* Air quality monitors
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 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 2603 has high sensitivity to low concentrations of odorous gases
such as amine-series and sulfurous odors generated from waste materials or
spoiled foods such as fish.
By utilizing the change ratio of sensor resistance from the resistance in clean
air as the relative response, human perception of air contaminants can be
simulated and practical air quality control can be achieved.
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
Sensitivity Characteristics:
10
The figurehttp://www.DataSheet4U.net/ below represents typical temperature dependency
characteristics.Again, theY-axis is indicated as sensor resistance
ratio (Rs/Ro), defined as follows:
Rs = Sensor resistance in fresh air
at various temperatures
Ro = Sensor resistance in fresh air
at 20°C and 65% R.H.
Temperature Dependency:
10
1
Rs/Ro
0.1
Trimethyl amine
Air
H2S Hydrogen
Methyl mercaptan
1
Rs/Ro
Ethanol
65%RH
0.01
0.1
0.1 1 10 100 -10 0 10 20 30 40 50
Gas concentration (ppm)
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.
datasheet pdf - http://www.DataSheet4U.net/
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