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 5915-01-533-0591
NSN 5990-01-503-9804
NSN 5999-00-987-5455
NSN 4140-01-236-2930
NSN 6645-01-209-0264
NSN 6150-01-442-0543
NSN 5985-01-152-2693
NSN 6105-01-025-1497
NSN 6610-01-576-0007
NSN 4140-00-211-5970
NSN 5905-00-419-3234
NSN 6220-01-257-1075