Alternator and generator testers manufacturing

Ampere-hour meters manufacturing

Analyzers for testing electrical characteristics manufacturing

Audiofrequency oscillators manufacturing

Audiometers (except medical) manufacturing

Automotive ammeters and voltmeters manufacturing

Automotive electrical engine diagnostic equipment manufacturing

Battery testers, electrical, manufacturing

Bridges, electrical (e.g., Kelvin, megohm, vacuum tube, Wheatstone), manufacturing

Circuit testers manufacturing

Communications signal testing and evaluation equipment manufacturing

Current measuring equipment manufacturing

Decade boxes (i.e., capacitance, inductance, resistance) manufacturing

Demand meters, electric, manufacturing

Digital panel meters, electricity measuring, manufacturing

Digital test equipment (e.g., electronic and electrical circuits and equipment testing) manufacturing

Diode and transistor testers manufacturing

Distortion meters and analyzers manufacturing

Elapsed time meters, electronic, manufacturing

Electrical network analyzers manufacturing