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 5910-01-472-3128
NSN 6320-01-487-0336
NSN 5996-01-147-6054
NSN 5855-00-014-5008
NSN 6620-01-453-3135
NSN 2925-00-564-5967
NSN 6150-00-014-2921
NSN 6610-01-219-6255
NSN 5920-00-954-7270
NSN 6320-00-270-8222
NSN 5996-01-406-9297
NSN 6105-01-557-3269