Agilent Technologies 5975 Series Operating Manual page 14

1 Introduction
Vacuum gauge
The MSD may be equipped (or ordered) with an ion vacuum gauge. The
OpenLAB CDS Acquisition software can be used to read the pressure (high
vacuum) in the vacuum manifold. Operation of the gauge controller is described
in this manual.
Table 3
Feature
High vacuum pump
Optimal He column flow mL/min
Maximum recommended 
gas flow mL/min
Maximum gas flow, mL/min
Max column id
Inert ion sources available
GC compatibility
Foreline pumps available
DIP
* Total gas flow into the MSD: column flow plus reagent gas flow (if applicable). Based on helium gas
† Expect degradation of spectral performance and sensitivity.
‡ Direct insertion probe.
14
5977B Series MSD features
*
†
‡
capability (3rd party)
use. For other gases the maximum flow will vary.
Diffusion Turbo
1 1 to 2
1.5 4
2 6.5
0.25 mm (30 m) 0.53 mm (30 m)
Yes Yes
6890/7820/7890 6890/7820/7890 Series
Series
Pfeiffer Duo 2.5 Pfeiffer Duo 2.5, MVP-070-3,
MVP-070-3C, IDP3 24V
Yes Yes
5975/5977 Series MSD Operating Manual