Chromatotec Group

- Model D - Air Generator

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We propose a generator of high purity air for our analyzers as well as for thedilution of permeation tubes. This air can be used as carrier gas for our'MEDOR' instruments as well as for FID detector.

The airmoPure provides zero air for :

  • FID detector: 180 ml/min
  • Pneumatic valve : 60 ml by commutation
  • Permapure : 150 ml/min
  • Flow in the cooling box ( Pelletier effect): 13 ml/min Dilution of permeation tube for calibration: 50mL/min in continuous mode
  • Carrier gas for MEDOR

The airmoPure includes :

  • A compressor fixed and a 4-liter cylinder at 7 bars which delivers outlet pressure at 3 bars.
  • A membrane air dryer with automatic purge .The air is dried before being compressed in the cylinder.
  • A heated catalyser to eliminate hydrocarbons at PPT level
  • Connections between the airmoPURE and the instrument

  • 180 ml/min for FID
  • 50 ml/min in continious for Calibration
  • Dilution: 230 ml/min in discontinuous mode (during calibration only)
  • Benzene permeation tube (32 ng/min ± 10% at 45°C) diluted at 230 ml/min = 139 μg/m3 or 37 ppb
  • Zero air for analysis in continuous mode (airmoBTX /CALIB): 180 + 50 ≈ 230 ml/min
  • Zero air for analysis in discontinuous (airmoBTX/CALIB): 180 + 230 ≈ 410 ml/min

  • Zero air total hydrocarbon concentration:
    • < 0.1 ppb NMTHC in ambient air without poltion
  • Dew point:
    • < -15°C°
  • Zero air maximum flow:
    • 1 l/min in discontinuous mode for airmOzone
  • Noise:
    • 55 dB(A)
  • Zero air start up time:
    • 45 min
  • Power supply:
    • 230V / 110V / 115V and 50 Hz/60Hz)
  • Electrical consumption:
    • 310 VA
  • Dimensions and weight:
    • Height: 370 mm
    • Width: 370 mm
    • Depth: 370 mm
    • Net Weight: 17 kg

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