For 40 years, Chromatotec®, alliance of the expertise of three compa¬nies, Chromato-Sud, airmotec, Medor, has been specialized in the development, manufacturing and sales of online gas analysers by chromatography, exclusively made in France.
With offices in China and USA, the group is historically based in Gironde (South-West of France) since its creation.
Chromatotec® is worldwide known for its leading-edge technology. Based on gas chromatograph principle, our analysers are focused on VOCs / Sulphur compounds / Odor monitoring. These technologies allow to track individual compounds at ppt/ppb/ppm concentration levels.
Natural gas is a natural resource present on the earth which can vary in composition depending on the place it is extracted. In order to use and valorize natural gas, it is necessary to control its composition. Even if it is composed mainly of methane, natural gas contains some traces of sulfur compounds which can affect its quality and can have dramatic effects for its transportation (e.g. corrosion of the pipes). Therefore, companies that work with natural gas control the level of sulfur compound impurities as well as adding specific Mercaptans to make it odorized and easily detectable in case of a leak.
For this purpose, Chromatotec® has developed and manufactures the energyMEDOR® which measures with speciation all following sulfur compounds generally present in the natural gas: H2S/DMS/DMDS/Mercaptans. These new instruments are designed to work in hazardous areas such as ATEX zone 1 without any purge gas requested for operation.
This MEDOR Ex d solution is one of the only instruments capable to analyze all previously mentioned sulfur compounds in hazardous area without purge gas thanks to the MEDOR® wet cell detector. Other possibilities given to customers are using the FPD technology (requesting Hydrogen and air for the Flame and big volume of purge gas to operate in hazardous area) used for sulfur compounds detection.
Chromatotec®’s energyMEDOR appears to be the best solution for these applications since it only needs a very small amount of zero air or nitrogen to operate (down to 4 ml/min) and its MEDOR® wet cell Sulfur Specific Detector is capable to detect sulfurs as low as 1 ppb. This certified solution has been designed to operate in zone I and II and can be used with 230V, 115V and 24V DC power supply making it quite unique on the market.
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