MAX-QUADS Versatile Quadrupole Mass Spectrometers

High Performance Quadrupole Mass Spectrometers


High Resolution, High Mass Quadrupoles

Wide range of ion sources, energy filters and configurations.

MAX-LT Quadrupole Mass Spectrometers

The MAX and MAX-LT quadrupole mass spectrometers are at the heart of our range of custom sampling systems. They are high performance bolt-on instruments with a comprehensive range of application specific configurations for atomic and molecular physics and chemistry experiments including;

...TPD...laser molecule interactions...atmospheric chemistry...laser ablation...photoionization...outgassing studies...molecular beam studies...helium scattering...flow tubes...cluster analysis...

The MAX-LT is available with high performance 9.5mm triple quadrupole mass filter, delivering exceptional transmission and resolution characteristics. The MAX is our ultimate system featuring our highest performance 19mm triple filter analyser.

MAX - QUADS Quadrupole Mass Spectrometer Features:

  • (MAX-LT) 9.5mm or (MAX) 19mm high transmission and resolution triple quadrupole mass filters
  • Mass range options 60amu, 120amu, 300amu, 500amu, 1000amu, 2000amu, 4000amu, 9000amu and 16,000amu
  • Positive ion, negative ion, neutrals, radicals measurement
  • Low noise positive and negative ion counting detector with conversion dynode
  • Pole bias mid-axis potential
  • Einzel lens optics
  • Axial and right angle configurations
  • High pressure transfer lens option
  • 1E-16mbar detection capability
  • Tandem source with high transmission energy filter with <0.5eV energy resolution
  • Photoionization cross beam source
  • Enclosed CI source


MAX - QUADS Quadrupole Mass Filter Selection Options:

Mass Spectrometer

System

Operating

Frequency

Rod Diameter

(Triple Filter)

Mass

Range

Relative

Transmission

Resolution

(M/ΔM FWHM)

Sensitivity

(mA/Torr)

MAX-16000
440kHz
9.5mm
20-16,000amu
15%
1000
0.075
MAX-9000
880kHz
6mm
25-9,000amu
4%
500
N/A
MAX-4000
880kHz
9.5mm
10-4,000amu
20%
1200
0.1
MAX-4000HT
440kHz
19mm
4-4,000amu
50%
1500
0.75
MAX-2000
1.2MHz
9.5mm
2-2,000amu
25%
1500
0.3
MAX-1200
1.2MHz
9.5mm
2-1,200amu
25%
1500
0.3
MAX-1000
880kHz
19mm
1-1,000amu
50%
1800
1
MAX-500HT
1.2MHz
19mm
1-500amu
60%
2000
2
MAX-500
2.1MHz
9.5mm
1-500amu
30%
2000 0.4
MAX-300
1.2MHz
19mm
1-300amu
60%
2000 2
MAX-120
2.1MHz
19mm
1-120amu
65%
2500
3
MAX-60
2.9MHz
19mm
1-60amu
75%
3000
4


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