Agilent 5973/5975 Electron Multiplier (EM) Horn (05971-80103) (New Replacement)

High gain electron multiplier horn located inside the analyzer chamber in the following MSDs:

  • G1777A / G2577A
  • G1778A / G2578A
  • G1779A / G2579A
  • G1788A / G2588A
  • G1789A / G2589A

Used with series 5973 and 5975 gas chromatography/mass spectrometry systems, all models.

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Troubleshooting


Possible issues caused by this broken part:

  • Agilent MSD doesn’t work.
  • Agilent MSD shuts down.
  • Agilent MSD poor analysis quality.

Possible errors prompted by this broken part:

CHROMATOGRAPHICS SYMPTOMS:
  • Peaks have flat tops
  • Baseline is high
  • Does not pass tune
  • Poor sensitivity
MASS SPECTRAL SYMPTOMS:
  • Isotopes are missing or isotope ratios are incorrect
  • Peaks widths are inconsistent
ERROR MESSAGES:
  • Difficulty with the electron multiplier supply
  • No peaks found
  • There is not enough signal to begin tune

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