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 6220-01-149-4177
NSN 5990-00-288-1820
NSN 5996-00-948-7030
NSN 6145-00-475-6909
NSN 5950-01-622-1616
NSN 6240-00-322-9928
NSN 5915-00-597-2369
NSN 5930-01-566-6999
NSN 6645-00-739-6718
NSN 5855-01-655-4035
NSN 5910-00-147-4227
NSN 6105-01-134-8151