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 6320-00-242-3300
NSN 5960-00-557-6469
NSN 6135-01-351-2690
NSN 5975-00-819-5730
NSN 4140-01-360-6744
NSN 6645-00-269-8440
NSN 4140-01-616-4110
NSN 5905-01-357-4958
NSN 5996-01-301-7152
NSN 6105-01-600-0366
NSN 6610-00-045-8132
NSN 5855-01-010-4921