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 5999-01-327-4620
NSN 5999-01-308-9212
NSN 6645-00-056-1580
NSN 6610-01-259-5296
NSN 6130-01-157-1670
NSN 5985-01-399-4556
NSN 5950-01-595-9029
NSN 6130-00-170-4844
NSN 5950-01-452-4407
NSN 5990-00-893-8998
NSN 5999-01-188-6397
NSN 6130-01-098-7175