Radio wave leakage diagnosing system for intelligent building
Radio wave power measuring apparatus
Radio-controlled devices for use in power distribution circuits
Radio-interrogated, surface-wave technology current transformer
Radiometer measurement linearization system and method
Radome test instrument
Range resolving ground line sensor
Range selector switch for ion chamber instrument
Range switching circuit for solid state electrometer
Range switching device for electric meter
Ranged voltage monitor with out-of-range enunciators
Rapid response generating voltmeter
Rate adjustable faulted circuit indicator module
Ratio meter for capacitive-type displacement converter
Reactance meter
Reactive power to DC signal converter
Reactive volt-ampere-hour meter
Read channel
Reading device for a watt-hour meter
Reading sensing meter