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 6645-01-465-0115
NSN 5999-00-447-4285
NSN 6320-00-242-3300
NSN 7035-01-270-0325
NSN 6320-00-382-7825
NSN 6130-00-451-1061
NSN 7035-01-094-2365
NSN 6145-01-129-7009
NSN 6650-01-599-9849
NSN 6105-00-438-0674
NSN 5905-00-418-4426
NSN 5960-00-866-2712