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 5985-01-419-1463
NSN 5935-00-793-2020
NSN 6105-01-093-7413
NSN 5915-00-343-6814
NSN 6320-01-255-2096
NSN 5996-00-248-9201
NSN 5999-01-094-3723
NSN 5920-01-406-8567
NSN 5935-00-288-5973
NSN 5998-01-531-1953
NSN 6130-00-721-4156
NSN 5855-00-004-0904