... with competitive units.NEW TECHNOLOGY: Embedded real-time multitasking system, DSP real-time FFT analysis, PCI bus constructed by ... Withstands long periods of intensively triggers without losing records.OPEN SYSTEM: Mimic board and special tests can be designed by ... window trig, ROC trig; Harmonic, single phase P,Q, 3 phases P,Q, frequency, Positive sequence voltage, Negative sequence voltage, Zero ...