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 5915-00-420-5742
NSN 5905-01-410-8694
NSN 6240-00-204-9355
NSN 5930-01-470-8062
NSN 5925-00-236-9000
NSN 6650-01-187-5937
NSN 6105-01-648-4431
NSN 5950-01-132-8419
NSN 5895-00-480-5892
NSN 5998-01-422-2961
NSN 5990-01-408-6554
NSN 5985-00-529-0093