Portable monitor, five disturbances incl undervoltage, overvoltage, under or over frequency, low magnitude impulse voltage, and high magnitude impulse voltage, input voltage 208/120 volts, three phase, 4wire, 50 and 60 hz, or single phase, 90 to 140 rms volts, 50 to 60 hz, 40 watts, w/counters, audio and visible alarms and printer, all components enclosed in a metal container 8.75 in. H, 17.5 in. Deep, and 17 in. W, wt approx 40 lb
