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 5975-01-580-5503
NSN 5925-01-646-3988
NSN 6240-01-224-0052
NSN 5855-01-280-9735
NSN 5945-00-426-0777
NSN 5990-00-611-1661
NSN 5999-01-354-1833
NSN 6645-00-716-8049
NSN 5990-01-170-6081
NSN 6110-01-212-2664
NSN 6610-00-032-0264
NSN 6130-01-492-9357