Chroma S – COS

A specific sulphur compounds analyser

  • Model: Chroma S – COS
  • Manufacturer: Chromatotec
Targetted compounds:
  • H2S / COS / SO2 / MM / EM / DMS / DMDS / DES / CS2
  • All mercaptan species
  • All sulphide species
Applications:
  • Air monitoring:
    • Emission analysis & monitoring
    • Indoor & Outdoor analysis
    • Transportable field based analysis
  • Process Quality:
    • Odorant analysis & monitoring
    • DeSulfurisation / Deodorisation processes
    • Catalyser protection
    • Sulphur in Natural Gas
    • Sulphur in Pure CO2
Category:

Principle:

The gas sample comes through the sampling loop. Range is linked to the size loop and electronic amplification. Then the sample is injected into the column for separation. A controlled temperature oven allows selection the ideal temperature according to the application. The temperature setting is isothermal at 35°c.

Features:

Detection is achieved by a photometric detector double flame. No quenching with the double flame

We have linearization by compounds

The identification of the compounds is based on their Retention Time = RT = elution from the column

Automatic data validation with internal calibration using a DMS permeation tube.

VISTACHROM ® software:

Sequence with methods for: sample(s) / zero air / CALIB The VISTACHROM software enables the user to visualize and store data on a computer. Computer = XXX015 or 022 is needed

It provide comfortable utilities to recalculate, calibrate and export data and to set-up measurement. Software allows the calculation of retention time, area, mass or concentration profiles/TREND.

Options:

  • A MODBUS / communication protocol
  • One module 4x analog output 4-20 mA or 0-10 V
  • Hydrogen and Zero Air Generator
  • Multiple stream selector (2 to 10)
  • Nitrogen generator XXX912
  • Dilution system
  • Heated line
  • Valve to control cylinder

 

 

Total Sulphur compounds analysis:
  • H2S, mercaptans, sulfides, COS, SO2, CS2
  • CS2 is not analysed by the Medor range
  • Speciation and/or TOTAL Sulfur analysis
Detection limits (*performance guaranteed with Chromatotec generators)

with loop = 250 µl and amplification 2

  • 14 ppb for H2S/SO2/ MM/EM/DMS/DES/COS
  • 8 ppb for DMDS & CS2
Detection range:

ppm or ppb : amplification 1&2

  • 0,01 to 10 mg/m3 or 0 to 600 mg/m3
  • % / ppm / ppb level depends on compounds for ex H2S = 0,01 to 10 mg/m3 = 7 ppb to 7 ppm
Relative Standard Deviation:
  • RSD < 5% on concentration over 24 hrs
  • RSD < 1% on Retention Time over 24 hrs
Results:
  • Hardware storage in XX022 or XXX015
  • MODBUS communication protocol (optional)
  • 4-20mA one module for 4 outputs (optional)
Data Management:
  • Full storage of chromatograms & results
  • All analyses date & time stamped individually
Cycle Times:
  • 10 mins in standard
Gas Supply: input 1/8″ Swagelok
  • Sample inlet: for 80 ml / min and 1 atmosphere (20°C)
  • Cylinder Calibration inlet at 80 ml/min
  • H2 at 2 bars for 70 ml/min
  • Air for detector at 3 bars for 80 ml/min
  • Air for carrier gas at 3 bars for 5 ml/min
  • For calib, air at 50 ml/min in continue and during calibration one cycle by day at 300 ml/min
  • Pneumatic valve 90 mL/min commutation
Power Supply:
  • Main: 230V / 50Hz or 115 / 60Hz
Electrical consumption:
  • Average: 100 VA
  • Peak: 200 VA
Dimensions and weight:
  • Rack: 19″ – (5U)
  • Height: 220mm
  • Width: 482mm
  • Depth: 600 mm
  • Net weight: 17 kg
To order: Model:
Chroma S-COS 4U
Needs a 5U supervisor (ref. XXX015)
C51000-COS
Chroma S-COS 5U C51022-COS

 

TSP chromaS-COS

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