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TGS2603 - For Detection of Odor and Air Contaminants (TGS2603)

Model Number: TGS2603
Country of Origin: Japan
Brand Name: Figaro
Minimum Order:1PCS
Production Capacity: 5000 pcs/month sets
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TGS2603 - For Detection of Odor and Air Contaminants

Product Specifications/Features


    TGS2603 - for detection of Odor and Air Contaminants


    Features
    * 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

    Applications
    * 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 TGS2603 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.

    Specifications

    Model number
    TGS2603
    Sensing principle
    MOS type
    Standard package
    TO-5 metal can
    Target gases

    Air contaminants 

    (Trimethylamine, methyl mercaptan, etc.)

    Typical detection range
    1 ~ 10ppm EtOH
    Standard circuit
    conditions
    Heater voltage
    VH
    5.0±0.2V AC/DC
    Circuit voltage
    VC
    5.0±0.2V DC
    Ps≤15mW
    Load resistance
    RL
    variable
    0.45kΩ min.
    Electrical
    characteristics
    under standard test
    conditions

    Heater resistance
    RH
    approx 67Ω at room temp. (typical)
    Heater current
    IH
    48mA
    Heater power
    consumption
    PH
    240mW
    VH =5.0V AC/DC
    sensor resistance
    RS
    20kΩ ~ 200kΩ in air
    Sensitivity
    (change ratio of Rs)
    <0.5
    Rs (10ppm EtOH)
    Rs air
    Standard test
    conditions
    Test gas conditions
    normal air
    at 20±2˚C, 65±5%RH
    Circuit conditions
    Vc = 5.0±0.2V DC
    V= 5.0±0.2V AC/DC
    Conditioning period
    before test
    96 hours or longer

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