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Uni-T
Uni-T UT253A Large Jaw Leakage Current Clamp
Uni-T UT253A large-jaw leakage current clamp for measurement around heavy cable.
Uni-T UT253A large-jaw leakage current clamp for measurement around heavy cable. A leakage current clamp, which resolves the small residual current flowing to earth around a conductor that is carrying full load. That is a much harder measurement than it sounds and it is what the jaw shielding in this instrument exists to make possible. The standard tool for chasing unexplained RCD tripping and for checking insulation condition without taking the system off.
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