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 6320-01-425-1417
NSN 2925-01-166-4589
NSN 5925-00-814-4088
NSN 5965-01-449-1101
NSN 6685-00-444-5000
NSN 5855-00-149-0766
NSN 6620-01-408-2989
NSN 5925-01-397-4991
NSN 5990-00-522-3425
NSN 6145-00-234-6337
NSN 5905-01-152-1226
NSN 5925-00-546-8965