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 6145-01-561-9059
NSN 4140-01-337-4625
NSN 5925-01-426-6923
NSN 5920-00-709-7835
NSN 5985-00-794-7951
NSN 6220-01-339-5261
NSN 6150-00-108-6350
NSN 5960-01-281-2872
NSN 6145-01-196-8079
NSN 5855-01-522-9161
NSN 5996-00-500-7328
NSN 7035-01-578-4018