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 6685-01-656-1282
NSN 6645-00-904-2754
NSN 5998-01-331-0450
NSN 5965-01-328-7526
NSN 5945-01-258-5042
NSN 5965-01-249-9530
NSN 5998-01-630-1966
NSN 5925-00-513-7610
NSN 4140-00-249-5603
NSN 6145-01-631-0009
NSN 6150-01-085-4364
NSN 6610-00-135-5815