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 5950-00-708-7670
NSN 5990-01-122-7130
NSN 5975-00-923-7377
NSN 6620-00-834-9430
NSN 6320-01-171-3238
NSN 5910-01-087-0759
NSN 5950-01-332-1929
NSN 6240-01-443-0519
NSN 5855-01-332-3011
NSN 5835-01-063-6284
NSN 6320-01-236-9562
NSN 6650-01-484-9505