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 5905-01-296-3116
NSN 5945-01-491-0173
NSN 5945-00-964-8677
NSN 7035-00-193-2269
NSN 5895-01-207-0753
NSN 6220-00-764-6099
NSN 5996-01-289-0493
NSN 5915-01-586-6546
NSN 6220-00-113-5855
NSN 5835-01-044-2628
NSN 5999-01-025-1404
NSN 5990-01-413-2405