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 5895-00-105-0997
NSN 4140-01-398-1954
NSN 6650-01-418-0790
NSN 6220-01-532-3903
NSN 5975-01-370-4455
NSN 5990-00-212-4316
NSN 6110-01-445-6347
NSN 6135-00-110-1981
NSN 5950-01-422-2924
NSN 6145-01-371-2916
NSN 5965-00-275-0491
NSN 5835-01-293-6453