ESI

APPARATUS AND COMPONENTS THEREOF FOR SUPPLYING AND/OR MEASURING ELECTRICAL CHARACTERISTICS-NAMELY, RESISTANCE, CAPACITANCE, [ INDUCTANCE, ] REACTANCE, DISSIPATION FACTOR AND THE RECIPROCALS THEREOF, VOLTAGE, CURRENT, PHASE ANGLE, FREQUENCY, POWER, POWER FACTOR, AND LASER SYSTEMS COMPRISING MICRO COMPUTERS, TELEVISION MONITORS, ELECTRICAL MEASUREMENT TESTING AND CONTROL INSTRUMENTS, AND COMPUTER PROGRAMS [ WITH PRE-RECORDED INFORMATION ON PAPER, TAPE AND CARDS ]