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875 KF Gas Analyzer




The 875 KF Gas Analyzer from Metrohm is a fully automated solution to determine trace levels of water in liquefied and permanent gases.

Applying coulometric Karl Fischer titration, this instrument allows quick (< 5 minutes) and accurate analyses. The KF Gas Analyzer is suitable for a variety of gas types.

Key Differences

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  • Straightforward, fully automated analysis thanks to software control
  • Robust, safe system suitable for high gas pressures
  • Complete system integrated into one housing
  • Accurate analysis of various gases (natural gas, LPG, refrigerants, petrochemicals, etc.)

Technical Specification

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An analyzer for many gas types

The 875 KF Gas Analyzer enables you to measure trace levels of water in a variety of gases by means of coulometric titration.

Thanks to the built-in evaporator, liquefied gases can also be analyzed.

Gases that can be analyzed with the 875 KF Gas Analyzer include:

  • natural gas and liquefied petroleum gas
  • petrochemicals: propane, propene, butane (as per ASTM D7995), butene, butadiene
  • chlorinated hydrocarbons: methyl chloride, ethyl chloride, vinyl chloride
  • refrigerants: CFC, HFC, and CHC compounds.
  • other gases: dimethyl ether, hydrogen, nitrogen, carbon dioxide, and others

A system built to last

Furthermore, the 875 KF Gas Analyzer is highly dependable: a built-in oil filter makes sure that residual oil is removed from the gas, and the inlet filter prevents particulate matter from clogging up the piping.The 875 KF Gas Analyzer comes with a series of features that make the analysis robust and safe: All components are contained in one housing, and the electronic parts and the gas-carrying parts of the instrument are physically separated. In addition, this instrument can handle gas pressures up to 40 bar.

A ready-made, automated, and fast solution: let the system do the work

With an 875 KF Gas Analyzer, you can start analyzing right away.

You get a fully assembled system and preconfigured methods. Using the analyzer couldn’t be easier – operation is fully automated thanks to software-controlled magnetic valves and a mass flow controller. After having started the method, you will obtain the results in just five minutes.

875 KF Gas Analyzer


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