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 6145-01-475-3051
NSN 5975-01-377-6365
NSN 6320-01-260-7390
NSN 5998-01-509-6663
NSN 6220-01-148-3587
NSN 5945-01-540-4327
NSN 5835-01-056-9303
NSN 6220-01-380-4275
NSN 5999-01-215-2000
NSN 5996-01-508-8171
NSN 5998-01-512-2713
NSN 5975-01-464-0675