Seaward 300 PrimeTest - Manual (Page 51)

PrimeTest 300 Operating Instructions
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Press Setup (F3) to set the Test Duration and Pass/Fail
limit. Use the arrow keys to highlight and set. Press OK
(F4) when complete. Esc (F2) will exit setup mode
without saving changes.
Fit the power lead supplied to the PrimeTest 300 and
plug the other end into a suitable mains outlet. Fit the
Appliance mains plug into the EUT outlet. Press the
green START key to begin the test.
Pre-load check - If the potential load current is too high,
a warning message appears, preventing the user from
continuing. This message will be displayed if a Live to
Neutral
short exists or the EUT mains current
consumption is too high.
Internal Relay checks – Before applying power to the
EUT the PrimeTest 300 performs a series of internal
safety checks to verify that internal relays are working
properly.
Once the test has started it will run for the duration set.
To end the test sooner, press the red STOP key.
11.6 Earth Loop Resistance
Refer to Fig 8
This test is applicable to the mains electrical
installation.
This test will check the resistance of the Live to Earth
circuit of the installation.
Warning: The black probe must not be used
when performing an Earth Loop Resistance
test.
The test duration for this test is fixed at approximately
10 seconds.
Fit the power lead supplied to the PrimeTest 300 and
plug the other end into the mains outlet under test. To
start the test, press the green START button.