Electrical-electron plug-in unit (NSN 6625-01-255-1621)
Special Features
3monitor and record impulses, sags, surges, high and low currents on a single channel of ac current; true rms ranges 75, 150, 300a, selectable; frequency range 45.0 to 66.0 hz; true rms current accuracy porm 2.0 pct rdg porm 0.5 pct fs; load rating 2