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 6645-01-182-2102
NSN 5998-01-443-1648
NSN 5910-00-727-3113
NSN 5935-01-157-4508
NSN 6645-01-133-8359
NSN 6645-01-584-0892
NSN 5915-01-333-4749
NSN 5945-01-260-9321
NSN 6105-01-063-7010
NSN 5985-01-439-5616
NSN 5930-01-522-7858
NSN 4140-01-406-0541