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 5990-01-379-6877
NSN 5910-01-527-5064
NSN 5960-01-614-0489
NSN 6620-01-566-3456
NSN 4140-01-093-6435
NSN 6240-01-449-2883
NSN 5920-00-285-2245
NSN 5996-01-385-6659
NSN 5950-01-443-5160
NSN 6610-01-160-0417
NSN 5905-00-529-0508
NSN 5985-01-441-8471