A 1322 / A 1422
Measurements
16
5 Measurements
5.1 Earth bond resistance measurement
Refer to chapter
Measurements – Single tests for appliances
, paragraphs
Earth bond resistance
in master instrument user manual for detailed information.
Procedure:
Item Comment
Prepare test system.
See
chapter 4.3 Working
with the adapter.
Compensate test leads resistance (if necessary).
See
chapter 5.1.1
Compensation of test
leads resistance.
Connect power supply plug of tested appliance into
proper test socket.
Connect probe to the accessible conductive part of
the CLASS I appliance.
See
figure below.
Prepare and start measurement on the master
instrument.
Wait until measurement is finished or stop the
measurement.
Check result(s).
Store result(s).
Optional
Figure 5.1:
Earth bond resistance measurement
Note
:
Consider displayed warnings before starting measurement!
5.1.1 Compensation of test leads resistance
Test leads compensation enables to eliminate the influence of test leads resistance and
instrument's internal resistance. If a compensation value is stored this is indicated in the
message
C
on master instrument.
