Agilent Technologies 5977B Series Troubleshooting And Maintenance Guide

174 5977B Series MSD Troubleshooting and Maintenance Manual
6 Vacuum System
Diffusion pump fluid that is exposed to air at operating temperature will
break down and turn dark brown or black. This reaction is called cracking.
Cracked pump fluid gives two symptoms: higher manifold pressure and high
background with a large peak at m/z 446.
See also
• “Maintaining the Vacuum System” on page 96.
• The troubleshooting sections of the MSD Data Acquisition online help.

Agilent Technologies 5977B Series Specifications

General

Brand	Agilent Technologies
Model	5977B Series
Category	Measuring Instruments
Language	English