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 6110-01-333-5042
NSN 6110-01-070-7553
NSN 5950-00-378-9959
NSN 6145-01-381-8911
NSN 5945-01-327-7427
NSN 5935-01-468-5608
NSN 2925-00-450-7783
NSN 5950-01-370-4857
NSN 5935-00-078-0865
NSN 5930-01-171-9444
NSN 5915-00-185-8610
NSN 5960-00-129-3204