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 6135-01-573-7164
NSN 5950-01-320-9157
NSN 6650-01-224-9024
NSN 4140-01-544-6306
NSN 6620-00-583-2687
NSN 5998-00-222-5293
NSN 5999-01-243-6913
NSN 5996-01-467-2177
NSN 5835-01-122-3489
NSN 5998-00-157-0804
NSN 5996-00-272-2560
NSN 5910-01-025-9604