Operating Procedures
EZCT™
and
EZCT-
10
17
Table 5 Run Excitation and Ratio Test (continued)
STEP
ACTION
DISPLAY
5-11
To run the ratio test, turn the voltage knob to
set the test voltage to the desired value.
The
t
r
a
ns
f
or
me
r
r
a
t
i
o
i
s
s
hown
a
s
“
RAT
=”
.
Wi
ndi
ng
pol
a
r
i
t
y
i
s
i
ndi
c
a
t
e
d
by
a
“
+”
or
“
-
”
sign in front of the ratio number.
The excitation current and voltage are also
displayed on the LCD.
NOTE
A 5-90Vac excitation voltage (Vx) is
recommended for the turns ratio test.
5-12
Pr
e
s
s
t
he
“
ENTER”
ke
y
t
o
a
c
c
e
pt
t
he
r
a
t
i
o.
5-13
Press key #1 (YES) to print the test report.
5-14
None. Wait for the printer to finish printing
the test report.
5-15
Press key #1 to keep the test results in
working memory. Continue on 5-16.
NOTE
If the EZCT memory contains test data
f
r
om
a
pr
e
vi
ous
t
e
s
t
,
a
n
“
Appe
nd
Da
t
a
”
message will be displayed. In this case, go
to 5-16A.
5-16A
None. The EZCT allows the user to append
new test data to the previous test results (Key
#1) or clear out previous test data and start
with this new test data (key # 2).
5-16
Pr
e
s
s
t
he
“
STOP”
ke
y
t
o
c
ont
i
nue
.
NOTE
A record may contain up to 10 tests.
TEST SAVED
KEEP THIS TEST?
1.YES
2.NO
SET
RATI
O
VLTG
NOW…
“ENTER”
TO
ACCEPT
Vx= 66.2
Vh=0.1504
I=0.0110 RAT= +439.90
PRINT TEST RESULTS?
1.YES
2.NO
PRINTING REPORT
PLEASE WAIT
……
RUN ANOTHER TEST?
1.YES
2.NO
PREVIOUS DATA IN BUF.
1.APPEND PREV. DATA
2.CLEAR PREVIOUS DATA