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 6130-01-535-6296
NSN 6130-01-492-6148
NSN 6610-01-594-1835
NSN 7035-01-196-3445
NSN 7035-01-254-3044
NSN 5950-01-241-5477
NSN 2925-01-274-8576
NSN 5999-00-243-2134
NSN 6130-01-620-4346
NSN 6220-01-038-5057
NSN 6610-01-468-0679
NSN 4140-01-334-1597