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 5950-00-290-8090
NSN 5945-01-060-5009
NSN 6240-01-165-2693
NSN 5915-00-195-2763
NSN 6650-00-207-9639
NSN 7035-00-478-4596
NSN 4140-01-390-4104
NSN 5835-01-238-3381
NSN 5920-01-415-2878
NSN 5910-01-432-7175
NSN 5835-00-969-5771
NSN 5950-01-432-7176