An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 2925-01-364-7926
NSN 6110-00-155-4303
NSN 5930-01-574-7083
NSN 6145-01-338-3219
NSN 5920-01-316-3401
NSN 5910-00-060-3093
NSN 6240-01-246-8213
NSN 6105-01-083-9514
NSN 5990-01-090-3232
NSN 6650-01-585-6317
NSN 5910-01-453-5418
NSN 6110-01-445-6113