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 6620-01-042-2046
NSN 6135-01-022-5427
NSN 6645-01-416-2016
NSN 5975-00-271-5981
NSN 5996-01-449-8184
NSN 6650-01-627-4103
NSN 4140-01-508-9128
NSN 5975-01-499-0497
NSN 6650-01-047-3911
NSN 6135-01-458-3851
NSN 6135-00-753-2276
NSN 2925-00-660-8131