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 5895-01-582-6116
NSN 7035-00-574-4223
NSN 6620-01-076-1340
NSN 5998-00-695-4920
NSN 5935-00-075-2076
NSN 6220-01-207-1229
NSN 6150-00-617-1989
NSN 5998-01-454-0938
NSN 6150-01-431-9727
NSN 6105-00-598-4910
NSN 5930-00-291-5400
NSN 5965-01-643-9783