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 6685-01-444-1496
NSN 5910-00-926-2499
NSN 5945-01-023-2159
NSN 6150-01-322-3786
NSN 4140-00-165-6535
NSN 5996-01-479-2091
NSN 5998-00-484-2780
NSN 6610-01-010-4516
NSN 5998-01-411-9442
NSN 6105-01-379-7307
NSN 5920-00-271-3217
NSN 6650-01-563-5287