H2S Medor - Hydrogen Sulfide (H2S) Analyzer
Description
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)
Principle:
- 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
Features :
- 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
Vistachrom Software
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
Options:
- Multiple stream selector (up to 16 streams with one analyser)
- 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 group B , C & D T4
- Calculation modules (Average / Statistics / Odor unit OU e/m3 and more)
- Automatic data transfert through: Module for 4 outputs 4-20 mA (with 0 mA for instrument default) / 0 - 10 V / MODBUS RTU or TCPI IP or MGS1
- Nitrogen or air generator for safe and hazardous area
- 24 V DC power supply
- Electric selection valve to reduce air consumption
- Wall mounted box XXX934
- Liquid injection valve for LPG analysis
- Touch screen on the front panel for Exp version (only ATEX)
- External cylinder inlet for automatic calibration from external cylinder
- MFC for multipoint calibration from internal CALIB and/or from cylinder
- Zero method
Technical Specifications:
Detection Limit:
- H2S MEDOR® ppm :
- H2S : 0.1 ppm (0.1417 mg/m3)
- H2S MEDOR® ppb :
- H2S : 1 ppb (1.39 μg/m3)
Range (adjustable depending on application):
- 0/10 or 0/100 or 0/1000 (ppb or ppm)
Relative Standard Deviation:
- RSD < 3 % on concentration over 48H
- RSD < 0.5% on retention time over 48H
Cycle Time:
- H2S 120 s for 0 - 3 ppm range
- H2S 300 s for higher range
Supervisor:
- Embedded computer Windows® based with LCD display
- 128 GB of Hardware storage on SSD memory
Communication:
- MODBUS RTU included in standard
- Ethernet, remote control
Gas supply:
- Carrier: Dry air or N2 (3 bar): < 4 ml/min
- Internal calibration: 50 ml/min for ppm range
- Sample inlet 1 bar and 160 ml/min sample flow
- Pneumatic valve 90 ml/commutation
Power supply:
- Main: 230 V / 115 V or 50/60 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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