... not possible with competitive units.NEW TECHNOLOGY: Embedded real-time multitasking system, DSP real-time FFT analysis, PCI bus constructed by FPGA, high ... , window trig, ROC trig; Harmonic, single phase P,Q, 3 phases P,Q, frequency, Positive sequence voltage, Negative sequence voltage ... records the calculated value of channel signal. This record does not need any trigger and continual records the data ...