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 6320-00-098-2858
NSN 5945-00-143-4422
NSN 6130-00-434-5233
NSN 5990-01-395-4194
NSN 6240-01-335-2622
NSN 5990-01-188-7309
NSN 5915-00-333-8618
NSN 6240-01-552-6217
NSN 5985-00-901-0240
NSN 5905-00-638-6776
NSN 5925-00-636-5683
NSN 6645-01-155-3966