Agilent Technologies Helium Leak Detector
DRAFT 12/11/17
49
➂ Power Entry
Module
Provides supply power, overcurrent and EMI protection for the leak
detector. The Power Entry Module consists of:
❑ Power Input Connector - An IEC/EN60320/C20 standard,
three-prong grounded Inlet connector.
❑ Power Switch (I/O) - A 20A rocker type Power
Switch/Thermal Circuit Breaker.
❑ 20 A EMC line filter.
➃ Vacuum Pump
Breaker
A 6 A thermal circuit breaker for the internal foreline pump.
➄ Analog Output DB9F connector for the analog output voltage. Pin #1 is signal
(positive) and Pin #2 is return (negative).
➅ Chassis (Earth)
Ter min al
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 USB Port A standard or high speed USB port for software updates.
➈ Exhaust A barbed hose fitting (OD =12.57 mm) to exhaust the mechanical
pump.
Oil Level Cover Oil level window for a G8610A model.
Oil Drain Cover Oil drain opening for a G8610A model.
Nitrogen Vent Port Nitrogen vent port.
Wireless Label A wireless info label for leak detector with an opti
onal Wireless
Remote Control.
The rear panel of the leak detector (Model G86
10A and G8610B) is shown in Figure 1-21.
Figure 1-21 Rear Panel (with Discrete I/O PCB)
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