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 5905-01-521-3839
NSN 6135-00-826-4798
NSN 5925-01-604-9427
NSN 6650-01-392-6076
NSN 5910-00-827-0858
NSN 2925-00-408-9829
NSN 5996-01-576-9852
NSN 6645-00-959-6502
NSN 6220-00-864-4891
NSN 5905-01-177-2066
NSN 7035-01-073-5233
NSN 6150-01-259-2627