AC electric energy meter having shielded radiation responsive da
Automobile gauge repair
Auxiliary equipment mounting ring for electric meter
Control meter usable as a potentiometric or photoelectric device
Detachable magnetic coupler communication apparatus
Digital volt-ohm meter with audible synthesis of measured values
Direction sensitive opto-electronic pulse initiator for electric
Electric meter with improved sensing head assembly
Electric power cord with digital multimeter
Electrical efficiency meter
Electrical monitoring system
Hand mounted testing meter
Isolated high voltage transformer for electric power meter
Meter for measuring accumulated power consumption of an electric
Meter for measuring and displaying the power consumption of an e
Meter with synthesized voice readout
Modular meter with base barrier
Multi-meter and probe assembly and method of use
Piezoelectric apparatus for sensing movement of a moving element
Power consumption meter for displaying electric power consumed b