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 5996-00-407-2268
NSN 5855-01-147-6024
NSN 5915-01-440-1859
NSN 5855-01-646-9561
NSN 6145-01-080-9295
NSN 5925-00-589-8989
NSN 5950-01-353-2080
NSN 5925-00-761-4505
NSN 5925-01-247-5315
NSN 5835-01-535-0948
NSN 6650-00-302-3707
NSN 6150-01-156-5331