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Ecological CO2 transmitter


The Vaisala CARBOCAP Carbon Dioxide Probe GMP343 is an accurate and rugged probe-type instrument for ecological measurements. Example applications include:
  • CO2 soil respiration
  • Ambient CO 2 monitoring
  • Plant growth chambers
  • OEM Applications

    Among its main attractions are:
  • Diffusion aspiration - no need for gas sampling systems.
  • Novel solution for soil respiration measurements.
  • Rigid metal structure.
  • User-configurable measurement.
  • Calibration.

  • Technical Specs

    Model GMP343
    Measurement Range 0...1000ppm, 0...2000ppm
    0...3000ppm, 0...4000ppm
    Sensor Vaisala CARBOCAP
    Accuracy after factory calibration with 0.5% gases ±2.5% of reading
    ±1.5% of reading
    Power supply 10...36VDC
    Output Analog
    Current output
    Range: 4...20mA
    Resolution: 14 bits
    Max. load: 800ohm@24 VDC, 150 ohm@10VDC
    Digital
    RS485, RS232

    Data sheet

    CatalogueProduct Selection Form



    See also
    Wall/Duct mounted CO2 transmitter
    The duct mounted Vaisala CARBOCAP Carbon Dioxide Transmitter Series GMD20 and wall mounted Vaisala CARBOCAP Carbon Dioxide Transmitter Series GMW20 are specially designed for Demand Controlled Ventila.....
    Indigo 200 Series Transmitters for Vaisala's Smart Probes
    Indigo 200 series is a host device for Vaisala’s CO2 probes
    GMP251 and GMP252, and the H2O2 probe HPP272......
    CO2 transmitter
    The Vaisala CARBOCAP Carbon Dioxide Transmitter Series GMT220 is designed to measure carbon dioxide in harsh and humid environments. The housing is dust and waterproof to IP65 (NEMA 4) standard. The m.....


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