KT TESTER
7
/ 8
6
3
、
SET TEST CURRENT
:
1) Move to this column through "
↑
" and "
↓
";
2) Press the "ENTER" key to enter the parameter
setting state. At this time, the "=" on the left side
of the column will change to "
→
", and then adjust
the parameter to the corresponding value
through "
↑
" and "
↓
" (See Table 3);
3)Press "ENTER" to confirm the setting and exit,
or press "EXIT" to cancel the setting and exit;
7
4
、
TEST
:
1) Press the "START" key to test. At this time, the
test status will change to "Testing", the test time
will automatically start to count, and the "TEST"
light will enter the flashing state;
2) If the "4 ,5" cables are connected, KT TESTER
will monitor whether the trip unit trips during the
test, automatically stop after capturing the trip
signal, and display the time; If the "4 ,5" cables
are not connected, the tester will always be in
the test status, and the time will continue to
count until the "STOP" key is pressed to stop.
3)During the test, press the "STOP" key to
manually stop, the test status changes to "Stop",
and the time stops counting.
Note: The trip time in the test is only for
reference, because it includes the status-
switch feedback, mechanical action time
and software judgment time(longer than
real time).
8
1) After this test, you can repeat steps 4-7 and
test again;
2)When the tests are completed, turn off the
power switch.
Table 2 Ratio of CT
Type
Rated Current
Ratio of CT