Vanguard EZCT-2000B User Manual
Page 11
REV 1 EZCT-2000B USER’S MANUAL
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Table 2. Functional Descriptions of EZCT-2000B Controls and Indicators
Item
Number
Panel Markings
Functional Description
1
INSULATION
RESISTANCE
METER
Insulation resistance meter connectors.
2-6
X1, X2, X3, X4, X5
Current transformer excitation voltage connectors. Each set of connectors
contains a test voltage connector and sensing connector. The EZCT-2000B’s X
output terminals are rated to 2000 Vac working voltage. Any voltage above
2000 Vac will damage the input circuitry.
7
H
Current transformer primary input test cable connector.
8
GROUND
Grounding stud.
9
None
AC receptacle.
10
100-120Vac, 12A
50-60Hz
Power switch with built-in circuit breaker.
11
None
Back-lit graphic LCD screen (128 x 64); viewable in bright sunlight and low light
levels.
12
None
Rugged, alpha-numeric membrane keypad
13
HIGH VOLTAGE
PRESENT
LED warning indicator that is illuminated when high voltage is present.
14
EMERGENCY
TURN OFF
“PUSH”
Emergency turn off switch.
15
USB MEM
USB Flash drive interface.
16
USB PC
USB PC interface.
17
RS-232C
RS-232C PC interface. Baud rate is set for 115KB, 8 data bits, 2 stop bits.
18
None
Built-in 4.5-inch wide thermal printer.
19
AC CURRENT
SOURCE
0 – 20A
AC current source connectors.