VS Series Helium Mass Spectrometer Leak Detectors
DRAFT 4/23/15
1-25
➃ Fore Pump Power
Connection
An IEC/EN60320/C19 standard, three-prong grounded outlet
connector.
➄ Analog Output Banana type output connector for an Isolated Leak Rate Analog
reading. The Red connector is a signal positive terminal; black is
the signal negative terminal. Signal range: From 0 to +10 VDC.
Later models of the VS will be equipped with a DB
9F connector for
the analog output. Pin #1 is signal (positive) and Pin #2 is return
(negative).
➅ Chassis (Earth)
Terminal
Provided for additional connection of the leak detector to the
building grounding system to improve ESD protection.
➆ Product Label A product label with part number, serial number and rating infor-
mation.
➇ RF Antenna A 2.4 GHz antenna for the optional Wireless Remote Control.
➈ Exhaust Cover Exhaust opening for a VS PR02 model.
Oil Level Cover Oil level window for a VS PR02 model.
Oil Drain Cover Oil drain opening for a VS PR02 model.
Nitrogen Vent Port Nitrogen vent port (On newer models).
Test Port Test port a d a p t e r (not sho w n ) .
Wireless Label A wireless info label for VS leak detector with
an optional Wireless
Remote Control.
A rear panel for the optional I/O PCB assembly is shown in Figure 1-16.
Figure 1-16 Optional I/O PCB Rear Panel
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