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 6150-01-572-2344
NSN 5855-01-010-4921
NSN 5950-01-025-1649
NSN 5905-01-647-0968
NSN 5975-00-191-2884
NSN 2925-01-281-6403
NSN 6650-01-060-3628
NSN 5996-00-658-8638
NSN 6145-00-043-1258
NSN 5895-01-174-5751
NSN 5999-00-290-5898
NSN 5998-00-804-7822