Harmonics Analyzer 3 Phase Power Analyzer TES-3600 10 ... ,Hz, & Energy KWh, KVARh & KVAh Measurement. Phase sequency indicator function. Backlight display function. Manual Data Memory and ... Stop Time. RS-232 Optical Interface with three phase voltage / current Waveform display and Harmonic analysis. Easy ... ) 4pcs current clamp transducer (1, 2, 3, 4 cable length 3 meters) (1000A AC, jaw opening 40mm) ...