Agilent Technologies IMG-500 Manual page 12

Compact Cold Cathode Gauge IMG-500
Power consumption
1)
Fuse
Voltage at the supply unit with
maximum cable length
Adjustment
Electrical connection
Sensor cable
Line length
Operating voltage
Operating current
Grounding concept
Vacuum connection –measuring
common
Supply common – signal common
Materials on the vacuum side
Vacuum connection
Measurement chamber
Feedthrough isolation
Internal seal
Anode
Ignition aid
Internal volume
Pressure
2
)
The minimum voltage of the power supply unit must be increased
proportionally to the length of the sensor cable.
≤2 W
≤1 AT
16 ... 30 VDC
≤
(ripple 1 V
the gauge is adjusted at the
factory and requires no
maintenance.
FCC68 socket, 8-pin
8-pin, shielded
≤50 m
≤3.3 kV
≤500 µA
 "Power Connection"
connected via 10 k (max.
voltage differential with
respect to safety ±50 V
conducted separately;
differential measurement
recommended for cable
lengths ≥10 m
stainless steel
stainless steel
ceramic (Al
FPM 75
Mo
stainless steel
20 cm³
≤10 bar (absolute),
limited to inert gases
12
2)
)
pp

(8 0.14 mm²)
accuracy ±10 V)
O )
2 3