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 6645-00-888-5820
NSN 5910-00-110-1052
NSN 5905-01-067-1245
NSN 6135-01-469-6429
NSN 4140-00-778-1836
NSN 6145-00-702-5288
NSN 5945-01-116-7877
NSN 6145-00-871-9112
NSN 6110-00-546-5145
NSN 5990-00-295-9497
NSN 6240-01-415-5581
NSN 6150-01-446-5623