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 6105-00-715-7630
NSN 6620-00-431-3837
NSN 6610-00-191-5317
NSN 5950-01-288-0564
NSN 5915-00-852-9326
NSN 6105-01-440-3236
NSN 2925-01-115-0306
NSN 6110-00-081-0927
NSN 5920-01-433-2261
NSN 5920-01-592-6722
NSN 5965-00-925-1725
NSN 5925-00-356-8007