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Technical Description

PGC 9300 Process Gas Chromatograph

Gas chromatograph for analysis of natural gas and biogas

PGC 9300 Process Gas Chromatograph


  • Suitable to measure the gas components (see table), of which the following is calculated: calorific value, standard density, Wobbe index and relative density
  • The analysis system consists of the components:
    - analyzing unit with 2 or 3 column modules
    - analytical computer with archives
  • Calculation of calorific value according to ISO 6976 and GPA 2172
  • Automatic recalibration
  • Multistream version for up to 4 gas streams
  • Windows based operating software RMGViewGC with functions like
    - viewing, changing and export of parameters
    - parameter report editor
    - displaying and saving chromatograms
  • Calculation of the methane number (option)
  • PTB approved for natural gas and biogas,
    also for natural gas with oxygen and hydrogen fractions up to 5%.
Carrier gas Helium (also for hydrogen measurement)
optionally argon as second carrier gas
Inlet pressures Carrier gas 5.5 bar
Measuring gas 1.5 bar
Analytical computer 19”-module 3 HE (48 TE)
Help texts explaining the parameters
Customer-programmable screen with 20 measured values or parameters
Inputs for external messages (e.g. contact manometers) and measured values (e.g. dew point)
Output signals Ethernet interface
Serial interfaces
DSfG-interface according to DVGW G 485
Modbus interface
Digital and analog outputs
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