KYORITSU 6011A - Manual (Page 13)

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turned to the OFF position. The memorized null value can be cancelled by
disconnecting the test leads and pushing the AUTO NULL/Uc SWITCH with
the test button pressed or locked.
CAUTION-before taking any measurements always check the leads have
been zeroed.
5．Connect the test leads to the circuit whose resistance is required (see Fig 3
for a typical connection arrangement). Having first made sure that the circuit
is not live.
Note that the live circuit warning lamp will illuminate if the circuit is
live - but check first anyway!
6．Press the test button and read the circuit resistance from the display. The
reading will have the test lead resistance already subtracted.
7．Note that if the circuit resistance is greater than 20Ωthe instrument will autorange
to the 200Ω, if it is greater than 200Ωit will autorange to the 2000Ωrange.
Note: If the reading is greater than 2000 Ωthe overange symbol“OL”will
remain displayed.
Model 6011A is provided with a facility to change the polarity of the test current
used by the instrument during continuity tests. This can overcome affects
caused by the polarisation of the installation during testing which may give
inaccurate readings. To use this function proceed as follows:-
1．Perform a continuity test as outlined in the procedures above.
2．Operate the polarity switch if required.
3．Repeat the continuity tests and the polarity of the test current will be
reversed.
4．A comparison can then be made between the two test results which should
give the same reading.
Fig 3