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 6650-00-216-6365
NSN 6320-01-054-3046
NSN 5910-01-264-8105
NSN 7035-01-200-4751
NSN 5895-01-595-8904
NSN 6240-01-185-7708
NSN 5950-01-578-7152
NSN 6240-00-876-2525
NSN 6220-01-394-9792
NSN 5925-00-529-3950
NSN 6650-00-279-5741
NSN 5910-00-456-0824