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Gas chromatograph Varian cp3800 and UniChrom

Varian cp3800

Producer: Varian Inc.

Highlights

  • Up to 3 detectors can be installed simultaneously.
  • Up to 3 inlets can work simultaneously.
  • Electronic flow and pressure controller for inlets
  • Inlet carrier gas program can be in flow and pressure mode.
  • Split, and carrier gas programs can be ramped.
  • Electronic flow control for detectors gases.
  • Wide-range FID amplifiers.
  • Data sampling rate from 0.1 to 40 Hz for each of 4 channels.
  • Full configuration of the instrument from the keyboard.
  • High heating speed for oven, injectors and detectors.

Limitations

  • Split program can be ramped with "infinite rate" (just set new value in place of previous _-_), without slow programming.
  • Data sampling rate suitable for capillary GC but not for fast GC.

UniChrom specific

Installation manual: Varian 3800 and UniChrom (ENG)

Since the instrument has the same configuration model as Agilent HP-6890 , the zone remapping, which is typical for instruments with limited number of gas regulators, is not required.

Networked Chromatograph This instrument driver is designed as "Networked Chromatograph" but instead of traditional approach the instrument uses 4 TCP session for instrument control. Exploitation of this instrument is possible only in local network or in very complex firewall configuration.