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 2925-01-463-8856
NSN 5960-01-389-4055
NSN 6620-00-004-1374
NSN 5905-00-725-2642
NSN 5905-00-369-1644
NSN 5930-01-657-4887
NSN 5910-01-152-6243
NSN 5920-00-558-6792
NSN 6110-01-520-8350
NSN 5930-01-634-0659
NSN 6645-01-372-2600
NSN 5996-00-254-2147