- Alternator and generator testers (1)
- Test equipment for electronic and electric measurement (5)
- Digital panel meters, electricity measuring (1)
- Network analyzers (6)
- Semiconductor test equipment (2)
- Standards and calibrating equipment, laboratory (1)
- Test equipment for electronic and electrical circuits (3)
- Transducers for volts, amperes, watts, vars, frequency, etc. (1)
- Transformers, portable: instrument (1)
- Electrical power measuring equipment (2)
- Energy measuring equipment, electrical (1)
- Integrating electricity meters (1)
- Measuring instruments and meters, electric (2)
- Meters, power factor and phase angle (1)
- Power measuring equipment, electrical (1)
- Recorders, oscillographic (1)
