Chromatotec Group

- Model XPERT - VOC and Volatile PAH Analyzer



Automatic Gas Analyzer for Volatile PAH compounds and VOCs monitoring. The airmoSCANXPERT uses a valve with a sampling trap. It also features a metallic capillary column. Its main characteristics are: Miniaturization, sensitivity, mobility and flexibility.

Everything from the sample port up to the data storage is integrated in a 19' cabinet

  • Sampling with pre-concentration on absorbent tube .
  • Gas chromatograph with metalic column and programmable temperature gradient
  • Flow control of the carrier gas
  • FID and MS detectors

The Vistachrom software enables the user to visualize and store data on a PC. Furthermore it provides comfortable utilities to recalculate, calibrate and export data and to set-up measurement.

The software allows the calculation of retention time, area, mas or concentration profiles. It manages all the items of the solution (multiplexer, Gas generators, Calibrator and more).

  • On-line results are transmitted via a MODBUS / JBUS or MGS1 communication protocol
  • Analog output: 4-20 mA or 0-10 V
  • Multiple streams selector
  • Purge and Trap for liquid samples
  • Second airmoVOC Expert for more compounds
  • 24 V DC power supply
  • Specific inlet for sampling bag
  • Alarm if instrument default by MODBUS or 4-20 mA

Detection limit:

  • Benzene down to 1 ppt with Trap GC/FID/QMS


with Trap GC/FID/QMS:

  • ppt to ppb
  • 0.5 to 45 μg/m3 (mCerts tests )

Relative Standard Deviation:

  • < 0.3 % over 48 h (RT)
  • < 3 % over 48 h (Conc)

Cycle time:

  • 30 minutes (for very low concentrations)

Analysis mode:

  • GC / FID
  • QMS: SCAN mode / MID mode


  • Data storage (timestamp)
  • 4-20mA current output (option)
  • MODBUS / JBUS or MGS1 communication protocol (option)


  • Embedded computer Windows® based with LCD display
  • 32 GB of Hardware storage on SSD memory


  • MODBUS protocol included in standard

Gas supply:

  • H2 (FID and carrier gas): 30 ml/min (inlet 2 bars; 1/16’’ double ferrule)
  • Air (FID): 180 ml/min (inlet 2 bars; 1/8’’ double ferrule)
  • Sample inlet (vacuum pump) ¼’’ double ferrule

Power supply:

  • Main (230 V / 115 V 50 Hz/60 Hz)

Electrical consumption:

  • 1730 Watt maximum


  • 19’’ cabinet: 18U to 38U
  • Width: 600 mm
  • Depth: 800 mm
  • Height: from 1070 mm to 1885 mm

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