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 5945-01-270-6105
NSN 6685-01-514-6636
NSN 5930-01-014-5949
NSN 6220-01-611-1224
NSN 5835-01-631-7390
NSN 5945-01-044-7385
NSN 5996-01-421-9391
NSN 5930-01-267-9704
NSN 5915-00-221-2391
NSN 5915-01-202-3071
NSN 6685-01-069-3385
NSN 5985-00-185-5430