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 5996-01-364-1072
NSN 6620-00-199-8734
NSN 5910-01-163-9085
NSN 6685-01-278-9836
NSN 6220-00-605-0404
NSN 6220-01-015-5850
NSN 6150-01-630-2266
NSN 5905-00-100-8474
NSN 6145-00-473-8709
NSN 5855-01-536-3978
NSN 5925-00-224-7474
NSN 4140-00-830-9515