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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
Foreline pumps available
DIP
14
5977B Series MSD features
*
‡
capability (3rd party)
*
Total gas flow into the MSD: column flow plus reagent gas flow (if applicable).
Based on helium gas use. For other gases the maximum flow will vary.
†
Expect degradation of spectral performance and sensitivity.
‡
Direct insertion probe.
Diffusion
1
1.5
†
2
0.25 mm (30 m)
Yes
Pfeiffer Duo 2.5
Yes
5975/5977 Series MSD Operation Manual
Turbo
1 to 2
4
6.5
0.53 mm (30 m)
Yes
Pfeiffer Duo 2.5, MVP-070-3,
MVP-070-3C, IDP3 24V
Yes
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