- Engine electrical test equipment (36)
- Alternator and generator testers (11)
- Automotive ammeters and voltmeters (6)
- Battery testers, electrical (32)
- Bleed control cabinets (engine testers) (1)
- Digital test equipment, electronic and electrical circuits (105)
- Ignition testing instruments (12)
- Internal combustion engine analyzers, to test electronics (34)
- Spark plug testing equipment, electric (2)
- Test sets, ignition harness (2)
- Test equipment for electronic and electric measurement (485)
- Analog-digital converters, electronic instrumentation type (56)
- Analyzers for testing electrical characteristics, nec (23)
- Audiometers (13)
- Bridges: Kelvin, Wheatstone, vacuum tube, megohm, etc. (2)
- Decade boxes: capacitance, inductance, and resistance (2)
- Digital panel meters, electricity measuring (24)
- Diode and transistor testers (1)
- Electron tube test equipment (10)
- Frequency synthesizers (6)
- Function generators (1)
- Impedance measuring equipment (1)
- Instrument relays, all types (2)
- Integrated circuit testers (35)
- Lab standards, electric: resistance, inductance, capacitance (7)
- Logic circuit testers (2)
- Microwave test equipment (32)
- Network analyzers (604)
- Pulse (signal) generators (2)
- Radar testing instruments, electric (15)
- Radio apparatus analyzers, nec (8)
- Radio set analyzers, electrical (1)
- Reflectometers, sliding shorts (1)
- Semiconductor test equipment (197)
- Shunts, electrical (4)
- Signal generators and averagers (5)
- Spectrum analyzers (10)
- Standard cells (3)
- Standards and calibrating equipment, laboratory (28)
- Standards and calibration equipment for electrical measuring (32)
- Sweep generators (2)
- Synchroscopes (2)
- Tachometer generators (6)
- Test equipment for electronic and electrical circuits (285)
- Time code generators (3)
- Transducers for volts, amperes, watts, vars, frequency, etc. (21)
- Transformers, portable: instrument (4)
- Waveform measuring and/or analyzing equipment, nec (3)
- X-Y recorders (plotters), except computer peripheral equip. (1)
- Electrical energy measuring equipment (71)
- Ammeters, nec (4)
- Ampere-hour meters (1)
- Current measuring equipment, nec (8)
- Demand meters, electric (1)
- Electrical power measuring equipment (38)
- Energy measuring equipment, electrical (43)
- Field strength and intensity measuring equipment, electrical (7)
- Frequency meters: electrical, mechanical, and electronic (20)
- Instruments for measuring electrical quantities (13)
- Integrating electricity meters (20)
- Measuring instruments and meters, electric (91)
- Meters, power factor and phase angle (6)
- Meters: electric, pocket, portable, panelboard, etc. (33)
- Multimeters (2)
- Oscillators, audio and radio frequency (instrument types) (17)
- Oscillographs and oscilloscopes (2)
- Potentiometric instruments, except industrial process type (10)
- Power measuring equipment, electrical (14)
- Radio frequency measuring equipment (59)
- Recorders, oscillographic (6)
- Resistance measuring equipment (2)
- Stroboscopes (3)
- Sweep oscillators (1)
- Volt meters (5)
- Watt-hour meters, electrical (3)
- Elapsed time meters, electronic (9)
- Indicating instruments, electric (11)
