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 6650-01-222-1386
NSN 5915-01-567-6723
NSN 6620-00-050-9831
NSN 5925-01-521-3173
NSN 5920-00-845-2581
NSN 4140-01-545-0270
NSN 5945-00-542-1281
NSN 5990-01-623-0082
NSN 5935-00-465-4131
NSN 6320-00-070-4544
NSN 6150-01-449-1040
NSN 4140-00-419-6174