for signals from pure sine waves to complex waveshapes such as distorted sines, squarewaves, pulses, noise, switching power supplies signals, and more. Also, when used... with instrument shunts, the 323 provides true rms current measurements on non-sinusoidal waveforms. Using a Ballantine proprietary suppressed-zero logarithmic voltage scale (linear dB scale... Full Scale, 7 at Full Scale, increasing to 21 at 1/3 Full Scale, except as limited by maximum input of 330 V rms sinewave or 465 V pk. Noise 40 M || 400 pF. Input Terminal BNC...