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 5920-01-133-5286
NSN 5855-01-498-3065
NSN 6145-00-663-6133
NSN 5985-00-058-7801
NSN 5835-01-197-5673
NSN 6320-00-546-9249
NSN 5990-01-374-3877
NSN 6645-01-071-0727
NSN 5975-00-102-4725
NSN 5975-00-253-0878
NSN 5996-01-075-8467
NSN 6620-01-296-9803