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 6135-00-078-9931
NSN 5996-01-333-0570
NSN 6610-00-369-6661
NSN 5985-01-521-3694
NSN 5925-01-393-1832
NSN 6105-01-406-2077
NSN 6130-00-508-1881
NSN 5935-01-123-8344
NSN 5998-01-464-4336
NSN 5915-01-222-0879
NSN 5915-01-548-5856
NSN 6220-01-647-1298