value and display the comparison result "√" or "×".
③ Leakage current test.
After the test is completed, the leakage current value is displayed. Compare it with the set
value and display the comparison result "√" or "×".
④ Make a final judgment based on the test results obtained in the three steps above,
display PASS or FAIL, and save the test results. Press any key to automatically exit and
return to the main interface after about 10 seconds.
4.5 CLASS II test
Connect the equipment to be tested to the TIS 600 with the mains test cord: connect one
end of the mains test cord to the TIS 600 output socket (10) and the other end to the power
interface of the equipment to be tested.
After correct connection, press the B key to start the CLASS II test. Ensure that the
equipment to be tested is powered on during the test. After the test is started, the TIS 600
will light the at the right hand side of the LCD screen to indicate that the CLASS II
test is being performed. If the insulation resistance test voltage used is 500V, the
marking will also be lit. The test will be done automatically according to the following steps:
① Insulation Resistance Test. If the power switch of the equipment to be tested is off, the
instrument may display LO LOAD to indicate that the equipment to be tested has an
insufficient load capacity. Press the A key or turn on the power switch of the equipment to
be tested to continue the insulation resistance test. Press any other key to exit and return
to the main interface.
After the test is completed, the insulation resistance is displayed. Compare it with the set
value and display the comparison result "√" or "×".
② Leakage current test. After the test is completed, the leakage current value is displayed.
Compare it with the set value and display the comparison result "√" or "×".
③ Make a final judgment based on the test results obtained in the two steps above, display
PASS or FAIL, and save the test results. Press any key to automatically exit and return to
the main interface after about 10 seconds.
Note: The CLASS II insulation resistance test voltage is defaulted to 500VDC and can be
set to 250VDC. The specific operation is shown in 4.3.
4.6 CORD test
Connect the CORD cable to be tested to the TIS 600: Connect one end of the CORD cable
to the TIS 600 output socket (10) and the other end to the TIS 600 IEC input socket (11).
After the correct connection, press the C key to start the CORD test. After the test is started,
TIS 600 will light the marking at the right side of the LCD screen to indicate
that the CORD test is being performed currently.
① Grounding Test. Detect the connectivity of the Earth terminal of the CORD cable.
If the connectivity is poor or it is not connected, the buzzer and the grounding icon flash to
indicate the grounding fault, provide an initial error prompt after the polarity analysis, and
exit and return to the main interface after 5 seconds;
If the connectivity is good, compare it with the set resistance, display the resistance and
"√" or "×", and conduct the next test.
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