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 4140-01-040-1700
NSN 6110-01-102-1425
NSN 2925-01-012-3162
NSN 6135-00-871-3646
NSN 5985-01-526-5512
NSN 6145-01-541-3048
NSN 5835-01-224-2792
NSN 6620-00-557-7008
NSN 2925-01-315-1714
NSN 5920-00-300-1843
NSN 6110-01-653-0839
NSN 6645-01-141-4425