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 6650-00-138-8605
NSN 6135-01-350-1715
NSN 5985-00-160-5464
NSN 6620-01-601-7491
NSN 6650-01-450-7930
NSN 5950-01-634-0677
NSN 5998-01-562-0102
NSN 5915-01-563-1323
NSN 5950-00-358-1140
NSN 5960-00-097-7007
NSN 5895-01-616-5088
NSN 5960-01-614-0489