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 5935-01-472-2470
NSN 5895-01-041-8912
NSN 6645-01-021-5727
NSN 6645-01-408-4576
NSN 2925-00-193-2402
NSN 5855-01-292-5639
NSN 6240-01-114-6349
NSN 5915-01-097-2427
NSN 5910-01-530-8776
NSN 6240-01-164-5019
NSN 5915-00-456-0873
NSN 4140-01-466-7195