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 5985-01-535-4865
NSN 5998-00-299-2740
NSN 5950-01-151-8709
NSN 5930-01-564-4357
NSN 6105-01-181-3369
NSN 4140-01-551-1125
NSN 6240-01-317-1382
NSN 5975-01-422-2033
NSN 5950-00-896-0239
NSN 5910-00-144-4383
NSN 6320-01-147-9177
NSN 4140-01-467-9616