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 5950-01-486-0991
NSN 5950-01-141-7510
NSN 5935-00-056-6474
NSN 6240-01-470-5185
NSN 5975-00-823-0979
NSN 5950-00-919-4486
NSN 5975-01-472-9988
NSN 6220-01-211-6349
NSN 6610-00-962-3723
NSN 6105-00-373-3780
NSN 5998-01-578-4487
NSN 5910-01-044-5886