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 4140-01-563-3500
NSN 5975-00-196-0698
NSN 4140-00-420-0251
NSN 5910-01-284-3167
NSN 5910-00-366-0095
NSN 6135-00-271-0407
NSN 2925-00-295-8109
NSN 5935-00-826-0459
NSN 2925-01-645-2948
NSN 5960-01-641-5493
NSN 5925-01-237-2501
NSN 6610-01-429-2162