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Thermo Fisher Scientific

3.5 KV patches for Electron Multipliers


How to check to have the 3.5 KV Dynode power supply installed. ( Information can be find in the instrument console during reboot )


  • Velos
  • Velos Pro
  • Tune 2.7 sp2
  • Orbitrap Elite


  1. Two files need to be replaced. (init.ICB, detmult.ICB)
  2. After installation of the 2 files, reboot the system.
  3.  The Electron Multiplier will be abe to go to 3500 Volts during calibration.
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