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 5960-00-584-4553
NSN 6110-00-613-1430
NSN 5930-01-100-1183
NSN 5990-00-889-5468
NSN 6150-00-782-4638
NSN 5930-01-117-1589
NSN 5999-00-647-4999
NSN 6145-01-160-7658
NSN 5965-01-142-7862
NSN 5925-01-099-4702
NSN 4140-01-202-5600
NSN 2925-00-373-8837