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 5960-00-011-9315
NSN 5960-01-119-4609
NSN 5945-01-632-2874
NSN 5996-01-231-4361
NSN 5930-01-368-0962
NSN 6150-01-223-0788
NSN 6145-01-397-1390
NSN 2925-01-394-9658
NSN 5996-00-594-4472
NSN 5990-00-551-1315
NSN 5990-01-037-9801
NSN 5950-00-308-5107