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 5960-01-138-5897
NSN 6130-01-359-5032
NSN 5835-01-414-3258
NSN 5960-00-496-4132
NSN 6320-00-004-9158
NSN 5855-01-300-8215
NSN 5855-01-397-6300
NSN 5965-01-172-5724
NSN 5855-01-045-9728
NSN 2925-01-150-2568
NSN 5925-00-128-9376
NSN 5920-00-199-9482