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 6650-00-481-2474
NSN 5905-01-422-4939
NSN 5945-01-408-8122
NSN 5910-00-530-6094
NSN 5925-00-204-0314
NSN 5910-01-063-5897
NSN 6620-01-394-4042
NSN 5996-00-093-5925
NSN 5990-01-191-9624
NSN 6145-00-375-5224
NSN 6105-01-014-9251
NSN 5950-00-626-4817