Chromatotec Group

- Model THT - Odour Measurement Analyzer

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THT Medor is an online Gas Chromatograph dedicated to the analysis of THT present in different gases. Two versions of the instrument exist : THT Medor ppm (measuring at ppm levels), THT Medor ppb (measuring at ppb levels).

  • Internal pressure & temperature monitoring
  • Sample loop injection is made by automatic valve
  • THT Medor uses a sulphur specific electrochemical cell for the detection of THT

  • Online, continuous sampling
  • No interference from other compounds
  • Low maintenance instrument – detector life may be up to 10 years
  • Automatic Validation of results by Internal Permeation Tube
  • Modifiable threshold alarms – High / Low alarm for odorising processes

 Chromatotec developed software system enables :

  • Remote monitoring injection control
  • Full traceability with on board archiving of results
  • QC Set up and control of threshold alarms
  • Export of data MODBUS / MGS1 / 4-20mA / 0-10V

  • 24 V power: for transportable analysis
  • Internal Permation Tube system (CALIB system)
  • Multiple stream selector (analysis of 2 to 6 streams with one analyser)
  • Calculation Module (Average)
  • Explosion proof Exp box - Ex Specification Class 1 Div 2, group C&D

  • Compounds Analysed: THT – TetraHydroThiophene
  • Detection Limit:
    • ppm Model – 1 mg/m3
    • ppb Model – 0.3 mg/m3
  • Detection Range:
    • ppm model - 1 to 50 mg/m3
    • ppb model - 0.3 to 3.0mg/ m3
    • (Ranges adjustable depending on Application)
  • Relative Standard Déviation:
    • RSD < 2 % on concentration over 48H.
    • RSD < 0.6% on retention time over 48H.
  • Cycle Time: THT 180s
  • Storage / Transfer of Results:
    • 40GB of Hardware storage
    • MODBUS or MGS1 communication protocol
    • 4-20mA / 0-10V
    • RS232 / RS 485
  • Gas supply:
    • Carrier Gas: N2 (3 bars): 10 ml/min.
    • Internal Claibration: 50 ml/min (if selected)
    • Sample inlet 1 bar (10 l/hour)
  • Power supply:
    • Main: 230V / 60Hz or 115V / 50 Hz
    • Power: 24V (optional)
  • Electrical consumption: Mean: 150 VA
  • Dimensions and weight:
    • Rack: 19' - (5U)
    • Height: 222mm
    • Width: 482mm
    • Depth: 600mm
    • Net weight: 22Kg

Medor Norm ISO 6326/2

Our Medor analysers (on-line sulfur detection in Air or natural gas / GPL) got the ISO Norm in 1981. Determination of gas method for the qualitative and quantitative analysis of sulphur compounds (...)

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