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 6320-01-232-4664
NSN 7035-00-455-7666
NSN 6620-01-071-6020
NSN 5950-01-005-8673
NSN 5905-01-266-5226
NSN 6610-01-338-0628
NSN 5998-00-866-4605
NSN 2925-01-489-1394
NSN 5985-01-369-7021
NSN 6610-01-527-1599
NSN 4140-01-365-9113
NSN 5895-00-929-3588