Chromatotec Group

- Model C6C12 - Heavy Volatile Hydrocarbons Analyzer

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Capable of anlaysing up to 32 compounds from C6-C12 (used in airmozone) or PAMS. The airmoVOC C6-C12 uses a valve with 1 sample trap. It also features a metalic capillary column. Miniaturization, sensitivity, mobility and flexibility are its main features.

MCERTS certified analyser for benzene measurement following EN 14662-3 norms

Everything from the sample port up to the data storage is integrated in a 19’’-rack 5U):

  • Uninterrupted sampling with pre-concentration on 1 absorbent tube
  • Gas chromatograph with 0.2 mm ID metallic column and programmable temperature gradient oven and pressure / flowcontrol of the carrier gas by piezo-valve
  • Before delivery the analyser is tested for one week by our quality control department.The Vistachrom software enables the user to visualize and store data on a PC. Furthermore it enables the user to recalculate, calibrate the instrument export data and to set-up measurement.

The software allows the calculation of retention time, area, mass or concentration profiles.

  • C6 to C12 analysis: C6 (Hexane, Dimethylbutane) to C10 (Diethylbenzene, Naphtalene) and dodecane
  • Detection limit:
    • Tri-methylbenzene: 10 ppt or 0.05 µg/m3
    • Benzene: 10 ppt in standard 1 ppt with airmoVOC Expert
  • Detection range: 0.05 to 400 µg/m3 for Tri-methylbenzene
  • Relative Standard Deviation:
    • < 0.3 % over 48h (RT)
    • < 3 % over 48 h (Conc.)
  • Results:
    • Data storage
    • MODBUS / JBUS communication protocol (option)
  • Cycle time: 15 min to 30 min.
  • 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: 30 to 700 ml (programmable)
  • Power supply:
    • Main: 230 V / 115 V or 50 Hz / 60 Hz
    • Battery: 24 V (option)
  • Electrical consumption: Mean: 150 VA, Peak 360 VA
  • Dimensions and weight:
    • Rack: 19’’ - (5U)
    • Height: 222 mm
    • Width: 482 mm
    • Depth: 600 mm
    • Net Weight: 22 kg

On-line results are transmitted via:

  • MODBUS / JBUS or MGS1 communication protocol
  • AirmoVOC Expert 1 ppt
  • Automatic validation and calibration
  • 24 V power supply
  • Hydrogen and zero air generator for transportable analysers
  • Multiplexer: 2 to 10

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