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 2925-01-285-7163
NSN 5950-00-907-3911
NSN 5960-01-469-7484
NSN 6145-01-189-6564
NSN 5975-01-440-6989
NSN 5835-01-459-7428
NSN 6130-01-084-1470
NSN 5950-00-835-8984
NSN 5855-00-560-0110
NSN 5855-00-610-4052
NSN 6645-01-159-1489
NSN 6620-01-252-4719