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 5915-01-463-8413
NSN 6320-00-790-4844
NSN 5950-01-467-1765
NSN 6145-01-341-2712
NSN 7035-01-027-1718
NSN 5905-01-055-0586
NSN 6110-01-013-9313
NSN 6105-01-342-5152
NSN 5996-01-100-3731
NSN 5855-01-211-2437
NSN 5999-00-186-9314
NSN 6135-01-502-8771