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 6240-00-919-5550
NSN 5998-00-479-1305
NSN 7035-01-657-1689
NSN 6320-00-977-3930
NSN 6240-01-469-9682
NSN 6620-01-103-3556
NSN 5999-01-449-0219
NSN 6145-01-141-0214
NSN 5910-00-959-0018
NSN 6130-00-915-6313
NSN 5895-01-291-3682
NSN 5855-01-564-6511