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 5999-01-334-7802
NSN 6110-01-560-9306
NSN 5935-00-036-1329
NSN 6620-01-514-7786
NSN 5935-00-867-8256
NSN 2925-01-590-8691
NSN 5930-00-171-8867
NSN 5960-01-378-1729
NSN 5999-00-057-4820
NSN 5915-01-030-2690
NSN 6685-01-385-7049
NSN 5975-01-429-8609