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 6650-01-365-4286
NSN 5910-01-298-8073
NSN 6620-01-168-8450
NSN 5998-00-189-1545
NSN 5905-01-514-9127
NSN 6105-01-534-3378
NSN 5945-00-709-6226
NSN 6320-01-306-8117
NSN 6620-00-248-6950
NSN 5996-00-899-3163
NSN 5960-01-222-0074
NSN 5930-01-265-8122