Finnigan MAT 251 Supplies and Services


The Finnigan MAT 251 is a magnetic sector isotopic ratio MS. See also MAT 252.

Contact SIS about parts and repair services for the MAT 251.

  • Thermo 251 Source CleaningThermo 251 Source Cleaning
    Scientific Instrument Services provides a mass spectrometer source cleaning service. We can expertly clean and service most models of mass spectrometer sources including filament repair. Fast turn-around of repairs
  • Thermo/Finnigan MAT 251 Valve Stem RepairThermo/Finnigan MAT 251 Valve Stem Repair
    S.I.S. can now repair the gold tips on the valve stems on the Varian MAT 251 Isotope Ratio Mass Spec when these tips become scored.