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 6110-00-583-9821
NSN 5999-01-367-2223
NSN 5950-01-098-5954
NSN 2925-01-359-4027
NSN 5925-01-071-6671
NSN 6145-00-261-8202
NSN 5945-01-135-6314
NSN 6645-01-547-5748
NSN 6105-01-142-8361
NSN 6240-01-551-1722
NSN 6620-00-280-2874
NSN 6135-01-576-8491