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 6110-01-261-4980
NSN 6610-00-844-4871
NSN 6650-00-707-1417
NSN 5895-00-972-9131
NSN 6620-00-186-8220
NSN 5910-01-160-4947
NSN 5895-01-361-8986
NSN 5975-00-713-5078
NSN 5999-01-174-5562
NSN 5855-01-235-5491
NSN 5945-00-245-3601
NSN 6620-00-043-6082