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Agilent 5973 / 5975 Series MSD High Voltage (HED) Power Supply (G3870-80117-M)

Unipolar high energy dynode power supply located inside 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:
  • Poor sensitivity
MASS SPECTRAL SYMPTOMS:
  • No peaks
ERROR MESSAGES:
  • Difficulty with the HED supply
  • No peaks found

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