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 5905-01-267-8857
NSN 6650-01-341-5330
NSN 5985-00-888-7249
NSN 6145-01-520-3437
NSN 6135-01-493-8375
NSN 6110-00-945-1101
NSN 6240-01-183-0893
NSN 6320-00-937-5625
NSN 5950-00-495-8065
NSN 5998-01-431-9034
NSN 5930-00-893-3783
NSN 6130-01-277-3321