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 7035-01-230-0250
NSN 5920-01-056-5481
NSN 5996-01-399-4475
NSN 5950-01-394-6583
NSN 5920-00-543-1266
NSN 6135-00-334-4500
NSN 6320-00-139-1090
NSN 5915-01-272-9494
NSN 5855-00-999-1419
NSN 6610-01-023-1918
NSN 5950-01-223-5217
NSN 5996-01-506-7585