Chromatotec Group

- H2S Analyzer

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Analyser for continuous on-line monitoring of Hydrogen Sulphide. H2S Medor is an online Gas Chromatograph dedicated to the analysis of H2S present in different matrices. Two versions of the instrument exist: H2S Medor ppm (measuring at ppm levels), H2S Medor ppb (measuring at ppb levels).

  • Internal pressure & temperature monitoring
  • Sample loop injection is made by automatic valve
  • H2S Medor uses a sulphur specific electrochemical cell for the detection of H2S

  • 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 deodorising processes

Chromatotec developed software system enables :

  • Remote monitoring & injection control
  • Full traceability with on board archiving of results and 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:
    •  H2S Hydrogen Sulphide
    •  Option for Total Sulphur Analysis
  • Detection Limit:
    •  ppm Model – 1ppm H2S
    •  ppb Model – 5ppb H2S
  • Detection Range:
    •  ppm model - 1 to 1000ppm
    •  ppb model - 5 to 1000ppb (Ranges adjustable depending on Application)
  • Relative Standard Deviation:
    •  RSD < 2 % on concentration over 48H.
    •  RSD < 0.6% on retention time over 48H.
  • Cycle Time:
    •  H2S result in 60seconds
    •  H2S+Total Sulphur Result in 120 seconds
  • Storage / Transfer of Results:
    •  40GB of Hardware storage
    •  MODBUS or MGS1 communication protocol
    •  4-20mA / 0-10V
    •  RS232 / RS 485
  • Gas supply:
    •  Carrier Gas: Dry Air or N2: 5ml/min.
    •  Internal Calibration: 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: Average:150 VA
  • Dimensions and weight:
    •  Rack: 19' (5U)
    •  Height: 222 mm
    •  Width: 482mm
    •  Depth: 600 mm
    •  Net weight: 22 Kgs

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