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 6240-01-436-9868
NSN 5915-01-003-7163
NSN 5930-01-474-1548
NSN 5960-01-105-5131
NSN 5999-01-442-6988
NSN 6130-01-126-3249
NSN 5910-00-810-1325
NSN 6650-00-181-8376
NSN 4140-01-359-4171
NSN 5920-01-466-4500
NSN 5975-01-369-3939
NSN 5945-01-542-9010