The Analog Devices AD2011 is a 3-digit line-powered digital panel meter that computes and displays the true RMS value of any ac or dc input. Having four calibrated input ranges (1V, 10V, 100V, and 1kV full scale), it can be used for a wide variety of classes of measurement, from power-line voltage- and current-measurements to instrumentation of noise measurement (both electrical and audio), and the measurement of complex waveforms, such as those encountered in power-level control using SCR's. Read full article
Root-Mean-Square Digital Panel Meter
Model AD2011 Reads True RMS of AC or (DC+AC) Signals; Has Opto-Isolated Input, 4 F.S. Ranges : 1V, 10V, 100V, 1kV
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