Vaisala CARBOCAP® Carbon Dioxide Transmitter Series GMT220

 

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    Overview
     

     Overview

     
      • Incorporates Vaisala CARBOCAP® Sensor - the silicon-based NDIR sensor
      • IP65 (NEMA 4) protected against dust and spray water
      • Choice of several measurement ranges
      • Interchangeable probes – easy maintenance
      Technical Specifications
       

       Technical Specifications

       


      Performance

       

      Measurement ranges
              GMT221


      0 ... 2 %
      0 ... 3 %
      0 ... 5 %
      0 ... 10 %
      0 ... 20 %


      ​        GMT222
              for low concentrations
      ​0 ... 2000 ppm
      0 ... 3000 ppm
      0 ... 5000 ppm
      0 ... 7000 ppm
      0 ... 10 000 ppm

      ​Accuracy (incl. repeatability, non-linearity and calibration uncertainty) at +25 °C (+77 °F) and 1013hPa

      ​    GMT221 ​± (1.5% of range + 2 % of reading)
      (applies for concentrations above 2% of full scale)

      ​    GMT222 ​± (1.5% of range + 2 % of reading)

      ​Sensor ​Vaisala CARBOCAP®


      Operating environment


      ​Temperature ​-20 ... +60 °C (-4 ... +140 °F)

      ​    display ​0 ... +50 °C (+32 ... +122 °F)

      ​Relative humidity ​0 ... 100 %RH non-condensing


      Inputs and outputs


      ​Outputs ​0 ... 20 or 4 ... 20 mA and 0 ... 10V

      ​Operating voltage ​nominal 24 VAC/VDC

      ​Power consumption ​<4 W


      Mechanics


      ​Probe cable length ​2 m and 10 m (optional)

      ​Weight

      ​    GMT221 ​max. 280 g

      ​    GMT222 ​max. 300 g

      ​Material

      ​     transmitter body ​ABS plastic

      ​     probe ​PC plastic

      ​Housing classification ​IP65 (NEMA 4)


      Options and accessories


      ​GMP221, GMP222
      spareprobe (use the order form to define measurement range etc.)

      ​25245GM ​clips (2 pcs) for attaching the probe

      ​GM45156 ​mounting flange for the probe

      ​25665GMSP ​2.0 m probe cable

      ​210848GMSP ​10.0 m probe cable

      ​GMK220 ​calibration kit for interchangeable probes

      ​19040GM ​serial COM adapter for maintenance purposes

      ​26150GM ​chamber for pump aspirated sampling systems

      ​GM70 ​hand-held CO2meter for field verification and calibration

      For complete specifications, please see the brochure or user guide in "Documents".

      Documents