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Featured Mass Spectrometer Upgrade Products

Windows 7 Chemstation Upgrades

windows 7 chemstation upgrades

5973 Chemstation Upgrades

5973 Lan Upgrade

Mass Hunter Upgrades

Thermo and Agilent LCMS ESI Interface

CSS Analytical has many products to help your Agilent, HP & Hewlett-Packard GC and LC Mass Spec Instrument run newer, better, faster and able to last for many years to come. Check out our entire list of mass spectrometer upgrade products

HP 5971 and HP 5972 Diffusion pump trouble shooting and service

If you have an HP 5971 or Agilent 5972 MSD and you can't get the diff pump to turn on there are only a few possibilities.  1)  You have a massive leak and the diff pump controller board won't allow the diff pump to turn on.  2)  The DC power supply in the MSD is dead and can't run the pump controller board,   and 3)  The diff pump heater is dead.  

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Too Cold and Too Hot Sensors for HP 5971 and HP 5972

HP 5971 and HP 5972 Mass Spectrometers have difussion pumps and on the frame of the diffusion pump are two sensors.  A   Too Cold Sensor, the bottom (white wires) and the Too Hot Sensor, the top (red wires).   The signal from the sensors report to the startup and run electronics of the Power Distribution Board.

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Customer Support

Technical Support Options

CSS Analytical handles a large volume of calls for support on HP and Agilent GC/MS systems. As support for these older systems is getting harder to find we continue to lead the field in support for these older Mass Spectrometers.  Click here for a list of our support options.

mass spec technical blog

In order to bring all our years of Mass Spectrometer technical experience to our customers, we have started a technology blog. Click here for troubleshooting tips and techniques.  Visit  this valuable resource often.