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Stanford QMS High Pressure Gas Analysers

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Stanford QMS High Pressure Gas Analysers

Stanford Research Systems

The QMS series gas anlysers offer an efficient, cost-effective solution for a wide range of applications. These mass spectrometers simplify the task of on-line process monitoring, analysis of gas species, leak detection and troubleshooting.

The QMS system can continuously sample gas at flow rates of several millilitres per minute. The inlet can be equipped to sample at presures from 1 bar to 10mbar. Data is acquired continuously, as opposed to batch sampling which is employed by gas chromatographs. The QMS has a fast response time of less than 0.5 seconds. Complete spectra can be recorded in seconds, and individual masses can be measured at rates up to 25 points per second.

Features:

  • 100, 200 or 300amu systems
  • Pressures from 10mbar to 1 bar
  • Better than 1amu resolution
  • <0.5 second response time
  • Compact, transportable design
  • 6 decades of dynamic range
  • RGA Windows software
  • RS232 computer interface

An advanced quadrupole mass spectrometer design, coupled with state-of-the-art pumping technology, allows the entire system to be integrated in a small, transportable package. The sampling inlet valves and pumps can be controlled from the front panel. Operation is easy and does not require a detailed understanding of the quadrupole or the pressure reducing inlet. Since the pumps contain no oil or other liquids, gravity has no effect on them which allows the unit to function either standing upright or laid on its side. Capillaries are used as sampling probes and are available in several materials and sizes for different applications.

                              

             QMS datasheet                                            Read more on Stanford's website