The energyMEDOR® is an autoGC-ED (MEDOR® Electrochemical wet cell Detector) for the analysis and monitoring of sulfur compounds in natural gas and gaseous fuels: H2S, Mercaptans, Sulfides. Two versions exist:
- The energyMEDOR® ppm (which measures at ppm levels)
- The energyMEDOR® ppb (which measures at ppb levels)
Principle
The energyMEDOR is the fully automated Gas Chromatograph for sulfur monitoring. With only a need for nitrogen carrier gas and standard electrical power, installation can be made into your current monitoring enclosure or installed in a standalone system.The energyMEDOR is equipped with two columns, heated in isothermal oven with a preset temperature of 45°C, a 10-ports pneumatic valve, electrochemical detector and an internal permeation standard or external cylinder to validate your results.The energyMEDOR automatically samples the NG from the pipeline continuously in low volume, the NG travels through a loop, the loop is injected onto the chromatographic columns where the sulfurs are separated, after the columns the sample is detected on the electrochemical detector without additional conversion or sample manipulation. Following the detection of the compounds the onboard system processes the data and provides the operator with data in either analog or digital formats. In addition the operator can review all data with the software installed into the energy MEDOR.
Key points
- Fully compliant with ASTM D 7493-22 : Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
- 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 wet cell 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
- Automatic control with process device
- Intelligence system with tunable and interactive alarms levels
- Powerfull 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
Available options
- Explosion proof version Exp or Exd for Atex IECEx zone 1 and 2 group IIC T4 and also for CSA C1D2 group B , C & D T4
- Internal calibration and validation system with permeation tube
- Multiple stream selector (up to 16 streams with one analyzer)
- Calculation modules (Average / Statistics / Odor index…)
- Automatic data transfert through: Module for 4 outputs 4-20mA (with 0 mA for instrument default / 0-10 V / Modbus RTU or TCP IP
- Electric selection valve to reduce air consumption
- 24 V DC power supply
- Nitrogen generator for safe or hazardous area
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