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 6620-01-106-3553
NSN 5990-01-246-7417
NSN 6240-01-348-0057
NSN 5985-01-064-7201
NSN 5990-00-210-2953
NSN 5895-01-012-2202
NSN 6135-01-079-7852
NSN 5998-01-534-2528
NSN 5999-00-701-1209
NSN 5965-01-294-1396
NSN 6650-01-633-9147
NSN 6620-00-280-2874