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 5930-01-346-1679
NSN 6685-01-044-3481
NSN 5925-00-031-4108
NSN 6220-00-122-7588
NSN 5965-00-486-7907
NSN 5965-01-537-5562
NSN 6620-00-190-8109
NSN 5990-00-594-7291
NSN 6240-01-279-3410
NSN 6130-01-015-0860
NSN 6240-00-806-4554
NSN 5910-00-913-3067