SEW 1120ER 3 Wire Earth Resistance Tester
http://www.sew.com.tw/front/bin/ptdetail.phtml?Part=1-03-04-03&Category=431819
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● Capable of measuring earth resistance and earth voltage.
● 2mA measuring current permits the testing of earth
resistance without tripping earth leakage current
breakers in the circuit under test.
● The test leads are supplied as standard accessories for
simplified two-wire measuring system.
● 0Ω adjustment.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.
● 2mA measuring current permits the testing of earth
resistance without tripping earth leakage current
breakers in the circuit under test.
● The test leads are supplied as standard accessories for
simplified two-wire measuring system.
● 0Ω adjustment.
● Battery operated.
● Data hold function.
● Low battery indication.
● Calibration performed with supplied test leads.
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