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 2925-01-600-2309
NSN 6650-00-942-4365
NSN 6240-00-548-0209
NSN 5895-00-113-4647
NSN 5935-01-434-1019
NSN 6645-00-123-9134
NSN 5998-00-993-1269
NSN 6645-01-173-8850
NSN 5990-00-674-2318
NSN 6220-00-081-6429
NSN 5990-00-938-8617
NSN 5965-00-275-0491