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 5965-01-094-6602
NSN 5895-01-498-4623
NSN 6105-00-951-5503
NSN 2925-01-185-1814
NSN 6645-00-951-0687
NSN 5905-00-503-6509
NSN 5990-01-411-5930
NSN 5990-01-004-6343
NSN 5965-01-480-3096
NSN 6220-01-138-7512
NSN 5960-00-024-0633
NSN 5990-01-287-9447