airmoMEDOR

Online analysis and monitoring of odorous sulfur compounds

  • Model: airmoMEDOR®
  • Manufacturer: Chromatotec

The airmoMEDOR® is an automatic gas chromatograph (autoGC) for the analysis and monitoring of trace amounts of Methyl-Mercaptan, Ethyl-Mercaptan, Di-Methyl-Sulfide, Di-Methyl-Di-Sulfide and Di-EthylSulfide by electrochemical wet cell detection (MEDOR® technology).

The airmoMEDOR® can be used for :

  • Monitoring of urban and non-urban pollution
  • Monitoring of industrial nuisance
  • Deodorization process
  • Fugitive emission
Category:

Principle:

  • Automatic sampling and concentration using an absorbant trap.
  • Desorption from the trap and injection into a metallic capilliary column.
  • Isothermal gas chromatograph.
  • The detection of all compounds eluting from the column is performed by an Electrochemical wet cell Detector which is Sulfur Specific Detector (SSD). This detector is using MEDOR technology.
  • 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 at ppb or ppt level on a daily basis in standard
  • 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 gascgenerators
  • 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 48 streams with one analyzer)
  • Modeling software with weather station for live odor/chemical impact (XXXDISP)
  • Explosion proof version Exp 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
Sulfur compounds analysis: 5 compounds • In standard: MM, EM, DMS, DMDS and DES
• With loop option: H2S and SO2 in ppb range
• In option: IPM, TBM, NPM, MES, 2BM, IBM and NBM
Other compounds on request
Detection limits: • DES and DMS < 150 ppt (0.15 ppb)
• DMDS, MM and EM < 50 ppt (0.05 ppb)
• H2S and SO2 option < 5 ppb
Standard Detection Range: • 0 to 100 ppb
• Other range on demand
• 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:
• MM, EM, DMS, DMDS, DES 900s
• With H2S and SO2 option 2400s
With IPM, TBM, NPM, 2BM, IBM, NBM and MES option 1800s
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
• 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)

• Height: 222 mm

• Width: 482mm

• Depth: 660 mm

• Net weight: 22 Kg

To order: Model:
airmoMEDOR ppt – without computer – with peltier, dryer and CALIB

airmoMEDOR ppt – computer included – with peltier, dryer and CALIB

M53000 Trap

M53022 Trap

TSP airmoMEDOR

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