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 6135-01-390-7364
NSN 5895-00-833-2525
NSN 5910-01-265-6880
NSN 6320-01-544-2799
NSN 5950-00-283-7391
NSN 6240-01-071-2127
NSN 5960-01-227-9642
NSN 5996-00-912-9184
NSN 6130-01-660-2144
NSN 4140-00-446-1024
NSN 5990-01-595-9441
NSN 4140-01-045-4112