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 5855-01-243-2355
NSN 5930-01-608-2618
NSN 6105-01-116-7912
NSN 5960-01-439-3731
NSN 6105-00-045-7930
NSN 5855-00-479-9819
NSN 6320-01-618-7800
NSN 6145-01-115-6642
NSN 5930-01-400-6126
NSN 6145-01-529-7653
NSN 5960-01-263-5777
NSN 5835-01-362-0305