SEAWARD PRIMETEST SERIES USER MANUAL
TESTED. TRUSTED… WORLD WIDE Page 62 of 77
Always ensure that you have selected the appropriate test type for the probe connections.
13.1.1 Selecting a Test Type
In Manual PAT test mode, the Earth Continuity test can be switched between a Class I EUT continuity test
and a point to point continuity test as follows:
Select Class I Continuity (1) and press the Tools key (F3). In the Test Type field, select EUT Continuity
Test or Point to Point Continuity Test.
During automatic sequences, the test type will be as per the test type programmed in the test sequence.
Once the correct connections have been made for the selected test type, press the Start button. The test will
continue until it times out. If we wish to abort the current test press the Stop button. Tests on IEC leads, CLI
EUTs can be performed using a current of +200mA and/or -200mA. Tests performed in point to point mode
are always performed using a current +200mA test. The direction of the test current can be reversed by
switching the test probes at the point of connection to the appliance/circuit under test.
Nulling out the Earth Continuity test lead(s) resistance
For a more accurate earth continuity measurement, the resistance of the test lead(s) can be zeroed out. The
feature can be used with both the EUT Continuity and Point to Point measurement modes.
The null facility remains active, even if the PrimeTest is powered off, until the feature is deactivated by
pressing the null key again or the Test Type is changed e.g. if a pair of test leads are nulled for point to point
measurement, the null will be deactivated if the Test Type is changed to EUT Continuity test.
Nulling a single test lead
In the manual PAT screen, press the setup key (F3) and change the Test Type to EUT Continuity Test. Press
save (F4). Connect the earth continuity test lead to the earth continuity test socket and connect the probe
tip to the earth pin of the EUT socket. Press Null (F4) to measure and stored the test lead resistance. When
the null feature is active the Null icon will appear on the display.
Nulling both test leads
In the manual PAT screen, press the setup key (F3) and change the Test Type to Point to Point Continuity
Test. Press save (F4). Connect both earth continuity test leads to the earth continuity test sockets and
connect the probe tips together using the supplied alligator clips. Press Null (F4) to measure and stored the
test lead resistance. When the null feature is active the Null icon will appear on the display.
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