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 5895-00-202-4961
NSN 6135-01-340-2599
NSN 6620-01-345-1336
NSN 5965-00-362-2158
NSN 5930-01-495-0806
NSN 6150-01-144-8953
NSN 5998-00-488-9680
NSN 5950-01-407-4509
NSN 5925-01-314-5514
NSN 6110-01-435-6610
NSN 6685-01-455-0025
NSN 6320-01-504-3948