Seaward 250 PrimeTest - Manual (Page 22)

PrimeTest 250+ Operating Instructions
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After 2s the display will return to the start up screen.
If the mains voltage is incorrect then the PrimeTest
250+ will remain in voltage mode until the voltage is
corrected or removed.
3.2 Testing a Class I Appliance
• Visually inspect the appliance and mains cord
for signs of damage.
• If the appliance passes a visual inspection
proceed with the electrical tests.
• Plug the earth test lead into the Earth Continuity
Test Terminal on the PrimeTest 250+ end panel.
• Plug the appliance into the PrimeTest 250+
front panel test/mains outlet socket.
• Connect the earth test probe to an exposed
metal part on the appliance.
• If the appliance under test has an ON/OFF
switch, make sure it is in the ON position.
• Press the CLI test key
• The PrimeTest 250+ will now perform a
measurement of the protective earth
continuity, reverse the test current and repeat
the measurement. The highest measured value
that occurred during the two tests is displayed.
• If the measured value is higher than the factory
set pass/fail threshold, the measured value
is displayed and the unit indicates a fail result
as shown below and the test sequence is halted.