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 6645-01-180-6219
NSN 6150-00-578-7816
NSN 5945-01-466-3120
NSN 6320-01-527-0211
NSN 6320-01-352-8084
NSN 5920-01-524-0222
NSN 5930-00-905-5349
NSN 6685-00-248-6990
NSN 5965-01-222-2613
NSN 6650-01-097-6814
NSN 5835-01-228-8666
NSN 5910-00-755-8481