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 5930-01-240-9130
NSN 6105-01-058-9918
NSN 5935-00-965-8204
NSN 6150-01-218-7090
NSN 5999-01-147-5954
NSN 6135-01-470-4077
NSN 5985-00-205-9568
NSN 5998-01-111-5491
NSN 5905-01-516-3247
NSN 5960-01-037-9432
NSN 5945-01-367-8804
NSN 6320-00-925-0558