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Description of funtion

Features

  • Control of the reference air volume and the purge air volume for an oxygen probe by means of infinitely variable modulation of the pumps
  • Generation, storage and display of fault signals in the event of deviation from the specified set values for reference air volume and purge air volume
  • Detection of loosened reference air connection at the probe
  • By regulating the flow rates and detecting a drop in pump performance, the use of commercially available low-cost pumps is possible without risk.
  • Separate pumps for reference air and purge air prevent measurement errors caused by a leaking purge air valve.