HT instruments MACROTEST G3 - Manual (Page 15)

MACROTESTG3 - COMBIG3
EN - 14
5. Perform, if necessary, the compensation of the measuring leads resistance by
connecting the cables or the remote lead as shown in Fig. 7.
Fig. 7: Compensation of single cables and remote lead resistance
6. Touch the icon to activate the measurement. After
a few seconds, the instrument provides the screen to the
side if the operation is successful (Rcables
 2); the
indication of the value is shown in the "Rcal" field and the
icon is shown on the display.
Touch the "AUTO" icon or " " to go back to the main
measurement screen.
CAUTION
Before connecting the test leads, make sure that there is no voltage at
the ends of the conductor to be tested.
7. Connect the alligator clips and/or test leads and/or remote lead to the conductor to
be tested as in Fig. 6.
CAUTION
Always make sure, before any measurement, that the compensation
resistance value is referred to the cables currently used. In case of
doubt, repeat points 5 and 6.
8. Press the GO/STOP key on the instrument or the START key on the remote lead.
The instrument will start the measurement. During this whole stage, do not
disconnect the test leads of the instrument from the conductor under test. The
following screen appears on the display:
9. The value of the result is shown in the upper part of the
screen, while the partial values of the test with inverted
polarity of the test source in addition to the real test
currents are reported in the fields "R+" and "R-".
The symbol indicates the positive result of the
measurement.
Press the SAVE button or touch the icon to save
the measurement (see § 7.1).