Mass spectrometer and calibration method for mass spectrometer

Abstract

Provided are a mass spectrometer and a calibration method for a mass spectrometer capable of performing calibration more easily than one in the related art. A mass spectrometer 100 according to the present embodiment described above includes: an ion source 101 configured to ionize a sample; a detection unit 105 including a photomultiplier tube 105a and configured to analyze a mass of the sample ionized by the ion source 101; a vacuum chamber 102 configured to allow the ion source 101 to communicate with the detection unit 105; a vacuum gauge 106 configured to measure a vacuum degree inside the vacuum chamber 102; and a data analysis unit 112 and an analysis control unit 113 configured to calibrate setting of the photomultiplier tube 105a using electrons emitted from the vacuum gauge 106.

Dependencies are inferred from the claim text.