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 5905-00-915-1419
NSN 5945-00-959-1194
NSN 6620-01-454-8926
NSN 5910-01-051-7595
NSN 5990-01-609-4793
NSN 5935-00-270-1271
NSN 5935-01-607-3693
NSN 6685-01-113-8787
NSN 6110-01-430-7238
NSN 5925-01-421-4473
NSN 5985-00-054-4898
NSN 5960-00-407-7705