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DET 2_2-AUTO EARTH TESTER
The Megger® DET2/2 Auto Earth Tester is a robust
compact instrument designed for measuring earth
electrode resistance and soil resistivity. It uses the four
terminal method of measurement which eliminates the
resistance of the current circuit from the measurement.
The circuit design ensures that the resistance of the
potential circuit does not affect the measurement
during practical testing.
The instrument is microprocessor controlled and provides
a flexible, ‘user-friendly’ approach to earth testing by
giving good error detection capabilities and full test
information on a large easily readable alpha-numeric
display. A simple key pad can be used to adjust the test
frequency, the test current level and the filtering so that
adverse conditions influencing the test may be overcome.
The display indicates if:-
■ the noise interference in the soil passing the test current
is excessive.
■ the current test spike resistance is too high.
■ the potential test spike resistance is too high.
■ the battery needs recharging.

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