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The instrument must be connected to a clean earth (ground) point
(see below).
For systems with a single rotary pump and an RMS inlet system, the
normal running average power consumptions for safe area and Ex
systems are 2.0 kVA and 2.5kVA respectively. Typical startup
current profiles (from cold) for these two configurations are shown in
Figure 3–1
and
Figure
35.0
30.0
Startup at 0.1s
25.0
20.0
15.0
10.0
RMS heater on
5.0
0.0
0.0
4.0
Figure 3–1. Typical startup current profile for safe area system
(240 Vac)
35.0
30.0
25.0
Startup at 0.1s
20.0
15.0
10.0
RMS heater on
5.0
0.0
0.0
4.0
Figure 3–2. Typical startup current profile for Ex system (240
Vac)
120 Vac systems will show approximately twice the above currents.
Prima PRO & Sentinel PRO Mass Spectrometers User Guide
3–2.
Safe Area System Startup (240VAC)
Rotary pump start
8.0
Time (s)
Ex System Startup (240VAC)
Rotary pump start
8.0
Time (s)
Site Requirements
Power
RMS heater cycle
12.0
16.0
RMS heater cycle
12.0
16.0
3-9
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