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 5855-01-333-9606
NSN 5910-00-710-7955
NSN 5965-01-226-7077
NSN 6135-01-485-4512
NSN 5990-01-485-0260
NSN 6645-01-615-1052
NSN 5985-01-485-0456
NSN 5996-01-388-7618
NSN 6110-00-062-5908
NSN 6650-01-010-6662
NSN 5930-01-301-7635
NSN 5998-01-485-7004