Vanguard EZCT-2000C Plus - Manual (Page 109)

REV 1 EZCT-2000C USER’S MANUAL
105
5.3 Verifying the EZCT-2000C’s I
x
Sense Circuit Using an External Meter
You can verify the excitation current (I
x
) sensed by the EZCT-2000C by using an external RMS
ampere meter. Follow the steps below to verify the EZCT-2000C’s I
x
sense circuit:
a. Connect the X cables to a power resistor and an RMS ampere meter as shown in Figure
27.
b. Select the EZCT-2000C’s Diagnostics mode (see section 5.1).
c. Press the [∧] key to raise the V
x
voltage.
d. Verify the I
x
voltage displayed on the EZCT-2000C’s LCD screen against the value
displayed on the external RMS ampere meter.
e. Press the
[STOP]
key to end the test.
Figure 27. EZCT-2000C I
x
Verification Test Connections