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 6110-00-684-6844
NSN 5835-00-228-9082
NSN 5915-01-591-0201
NSN 6645-01-302-9608
NSN 6135-01-084-1609
NSN 5985-00-799-8590
NSN 6220-00-396-0039
NSN 5905-01-642-8927
NSN 5895-00-925-1198
NSN 5950-01-419-0044
NSN 5950-00-710-9311
NSN 4140-00-862-5644