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 5835-01-645-2892
NSN 6135-01-348-8264
NSN 5895-01-511-0062
NSN 5950-00-711-2833
NSN 5895-00-501-8174
NSN 6320-00-546-9249
NSN 6110-01-145-3261
NSN 6110-01-252-8019
NSN 6620-00-663-8962
NSN 6645-01-406-0688
NSN 6320-01-116-3980
NSN 4140-00-328-1527