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 6150-00-843-0798
NSN 6320-01-054-3046
NSN 5998-01-056-1775
NSN 5925-00-822-4353
NSN 5930-00-725-6919
NSN 6645-01-099-2910
NSN 6650-00-578-6543
NSN 5895-01-364-9122
NSN 2925-01-424-0235
NSN 5915-01-381-9455
NSN 5960-00-201-5265
NSN 5985-01-390-8937