Microcomputer Protection Series Relay Protection Tester Relay Protection Tester is a portable field testing equipment with excellent performance.lt is suitable for field calibration and test for various relay. ■ Output a full isolation way for adjustable DC voltage, Automatic protection for short circuit, overload and out range. ■ Equipped with LCD digital AC/DC volt-ampere meter, Display the AC and DC voltage and current values, stopwatch, potential, contact state. ■ Internal electric stopwatch; Available electrical contacts, maximum potential 250V, Dual channel measurement
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