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JES-301K Back Purge Control Unit


  • For extractive gas analysis
  • For emission and process monitoring
  • For control of automatic back purge of JCT gas sampling probes series JES-301
  • For applications with high dust concentrations
  • For regular cleaning of probe filter, filter chamber and possible pre-filter


  • For in and outdoor mounting suitable
  • Fully programmed two stage back purge program
  • Easy adjustment of the back purge cycles by connection of only one cable
  • Save operation due to status message
  • No entry of purge gas into sample gas possible


  • In robust weatherproof FRP housing
  • For wall mounting
  • PLC (programmable logic controller)
  • Adjustable interval for back purge cycles
  • Status contact
  • Safety shut off valve
  • Control for process shut off valve

Data Sheets


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