Chromatotec Group

- Model C2C6 - Light Volatile Hydrocarbons and 1,3 Butadiene Analyzer



The instrument uses a 6-port valve with a single sorbent trap, and a metallic capillary column. It has a minimum detection level as low as 15 ppt (for 1,3-Butadiene for e.g.) in ambient air, and analyses up to 32 compounds during a single analysis.

The airmo VOC C2-C6 uses a thermoelectric cooling system to control the temperature of the sample trap when required, for example for the analysis of Ethyne.Miniaturization, sensitivity, mobility and flexibility are its main features.

Everything from the sample port up to the data storage is integrated in a 19'- rack 4U (programmed gradient temperature of the oven and pressure/flow control of the carrier gas by the piezo-valve). Before delivery the analyser is tested for one week by our quality control department.

The Vistachrom software enables the user to analyse and store data on a PC. It provides user friendly utilities to recalculate, calibrate, configure the measurement and export data. The software allows the calculation of retention time, area, mass or concentration profiles.

  • On-line results are transmitted via a MODBUS / JBUS or MGS1 communication protocol
  • Analog output 4-20 mA or 0-10 V
  • Automatic validation / calibration
  • 24 V power supply
  • Hydrogen and zero air generator for transportable analysers.
  • Multiple Stream selector (2 to 6)

Light COV analysis:

Detection limit:

  • 15 ppt for 1,3-Butadiene or 33 ng/m3

Detection range:

  • 0.5 to 100 PPB/amplification3 in standard

Relative Standard Deviation:

  • < 0.3 %over 48h (RT)
  • < 2 % over 48 h (Conc.)


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

Cycle time:

  • 30 min as standard (20 min. optional)

Gas supply:

  • H2 (FID and carrier gas): 30 ml/min (inlet 2 bars; 1/16' swagelock)
  • Air (FID): 180 ml/min (inlet 3 bars; 1/8' swagelock)
  • Sample inlet (vacuum pump) 1/4' swagelock

Sample volume:

  • 20 to 240 ml (programmable)

Power supply:

  • Main: 230V / 115V or 50 Hz / 60Hz
  • Battery: 24V (option)

Electrical consumption:

  • Mean: 150 VA, peak 360 VA

Dimensions and weight:

  • Rack: 19' - (4U)
  • Height: 180mm
  • Width: 482mm
  • Depth: 600mm
  • Net weight : 17 Kg

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