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 5905-01-578-6517
NSN 6105-01-122-5910
NSN 4140-01-071-1512
NSN 6145-01-401-3713
NSN 5975-01-587-0986
NSN 5965-01-302-2719
NSN 6220-00-027-5303
NSN 6645-00-330-2813
NSN 5925-01-341-3159
NSN 5960-01-167-6689
NSN 4140-01-209-2668
NSN 6685-00-012-3734