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 6620-01-222-0143
NSN 6110-01-414-4748
NSN 6685-01-119-8156
NSN 6135-00-294-0950
NSN 5975-01-097-9023
NSN 5835-01-326-3664
NSN 4140-01-392-0495
NSN 5996-01-056-9046
NSN 6620-01-649-9948
NSN 6130-01-501-7152
NSN 6240-01-386-1354
NSN 6620-01-367-0844