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 5930-00-184-8329
NSN 5945-00-137-7788
NSN 6130-00-100-0175
NSN 5910-00-052-6798
NSN 5925-00-925-2164
NSN 7035-01-068-4175
NSN 5999-01-213-4230
NSN 6135-01-450-3781
NSN 5975-01-386-4457
NSN 5965-00-912-9318
NSN 5965-01-050-8447
NSN 5925-01-351-0694