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 5895-00-250-2022
NSN 6145-00-515-6931
NSN 5935-01-400-4072
NSN 5935-01-252-6066
NSN 5975-01-435-4604
NSN 5975-01-509-3392
NSN 5915-01-353-4099
NSN 5910-01-582-5034
NSN 6645-00-143-1567
NSN 6150-01-364-8510
NSN 6610-00-225-9886
NSN 5910-00-264-6309