TRS MEDOR

Online analysis and monitoring of odorous sulfur compounds

  • Model: TRS MEDOR
  • Manufacturer: Chromatotec

The TRSMEDOR® is an autoGC-ED (MEDOR® Electrochemical wet cell Detector) for the analysis and monitoring of sulfur compounds in air: H2S, Mercaptans, Sulfides.

Two versions exist according to levels of concentration expected:

  • The TRSMEDOR® ppm
  • The TRSMEDOR® ppb

Application:

  • Fence line
  • Fermentation process
  • Deodorization process
  • Fugitive emission

Targeted compounds:

  • Standard version: H2S / SO2 / MM / EM / DMS / DMDS / DES
  • Upon request: IPM / TBM / NPM / MES / 2BM / IBM / NBM / THT

Main markets:

  • WWTP / Refineries / Petrochemicals / Gas process sites
  • Ambiant / Industrial air monitoring
  • Odor impact management
  • TRS measurement
Category:

Principle:

  • Automatic sampling using a loop linked to sampling pump
  • Automatic loop injection on metallic capillary column
  • Isothermal gas chromatograph
  • Detection of all compounds eluting from the column performed by MEDOR® Detector: Electrochemical wet cell Detector which is SSD Sulfur Specific Detector.
  • Signal provided by reaction between the wet cell electrolyte and the sulfur compounds

Key points:

  • Automatic calibration/validation of the data, with embedded permeation tube
  • Continuous monitoring with automatic online sampling
  • Analytical performances:
    • Specific, linear and very sensitive to sulfur compounds
    • Results validation by automatic standard injection
    • Long term stability using detector installed in reservoir
  • Extremely low maintenance
    • Very long life time detector with electrolyte, up to 10 years
    • Low gas consumption, can be reduced in option
    • More than 10 years data storage
    • No cylinders required thanks to internal calibration tube and gas generators
  • Automatic control with process device
  • Intelligent system with tunable and interactive alarm levels
  • Powerful VISTACHROM Chromatotec® software:
    • Remote monitoring & injection control
    • Full traceability with on board archiving of results and chromatograms
    • QC Set up and control of threshold alarms
    • Data export by MODBUS / 4-20 mA / 0-10 V
    • Time stamp results

Options:

  • Multiple stream selector (up to 16 streams with one analyzer)
  • Modeling software with weather station for live odor/chemical impact
  • Explosion proof version Exp or Exd for ATEX, IECEx zone 1 and 2 and also for CSA C1D2
  • Calculation modules (Average / Statistics / Odor unit OU e/m3 and more)
  • Automatic data transfer through: Module for 4 outputs 4-20mA /Modbus RTU or TCP IP / MGS1
  • Nitrogen or air generator
  • 24 V DC power supply
  • Electric selection valve to reduce air consumption
  • Wall mounted box XXX934

Reduced sulfur compounds analysis:

  • Speciation and Total Reduced Sulfur by sum (TRS): H2S, SO2, DMS, MM, DES, DMDS, EM compounds

Detection limits* for H2S, SO2, DMS, MM, EM:

  • TRSMEDOR® ppm LDL ≤ 0.1 ppm
  • TRSMEDOR® ppb ≤ 1 ppb

*more sensitive analyzers available upon request with special application

Range (adjustable depending on application):

  • 0/10 or 0/100 or 0/1000 (ppb or ppm)
  • Calculation: Odor Index, Total Sulfur, Total mercaptans

Relative Standard Deviation:

  • RSD < 3 % on concentration over 48H
  • RSD < 0.5% on retention time over 48H

Cycle Time for the following different analyses:

  • H2S, SO2, MM, EM, DMS, DMDS, DES:  600s
  • With special application following compounds can be added: IPM, TBM, NPM, 2BM, IBM, NBM, MES, THT and THT:  1200s

Supervisor:

  • Embedded computer Windows® based with LCD display
  • 128 GB of Hardware storage on SSD memory

Linearity:

  • > 0.995 for all compounds

Communication:

  • Ethernet, remote control

Gas supply:

  • Carrier: Dry air or N2 (3 bars): ≤ 4 ml / min.
  • CALIB: in continuous ~ 50 ml / min.
  • CALIB during validation ~ 250ml/min for M52 configuration
  • Pneumatic valve 90ml/commutation

Power supply:

  • Main: 230V 60Hz or 115V / 50Hz
  • In case of power loss, the instrument will restart automatically

Electrical consumption:

  • 150 VA

Dimensions and weights:

Rack: 19’’ (5U) Wall mounted box:
  • Height: 222 mm
  • Width: 482mm
  • Depth: 660 mm
  • Net weight: 22 Kg
  • Height: 222 mm
  • Width: 482mm
  • Depth: 660 mm
  • Net weight: 22 Kg

 

To order: Model:
TRSMEDOR® ppb inbuilt computer 5U with CALIB M52022
TRSMEDOR® ppm inbuilt computer 5U with CALIB M54022

TRS MEDOR : H2S, mercaptans and sulphides

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