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Vanguard EZCT-2000A User Manual

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REV 1 EZCT-2000A USER’S MANUAL

17

e. If the selected test included an excitation test, the following screen will be displayed:

Select the maximum test current for the excitation test by pressing the corresponding
key (

[1]

-

[6]

).

NOTE

Most CT’s will saturate before the excitation current reaches 1A. To reduce
stress on CT’s, a maximum test current of 1A is recommended.

f. If the selected test included a ratio test, the following screen will be displayed:

1. YES

Press the

[1]

key if you would like to enter the CT nameplate values. The

following screen will be displayed:

Type the first number using the keypad.

You can press the

[CLEAR]

key to restart a field entry if necessary.

Press the

[ENTER]

key. The following screen will be display ed:

ENTER PLATE RATIO:

0 :




XFMR NAME PLATE RAT.
1.

YES

2.

NO




SET TEST CURRENT:
1.

0.2A

2.

0.5A

3.

1A

4.

2A

5.

5A

6.

10A