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 5915-01-153-2623
NSN 5920-01-539-3233
NSN 5998-00-254-7742
NSN 5960-00-998-4324
NSN 5975-00-919-0043
NSN 2925-01-250-2731
NSN 5905-01-370-6936
NSN 5965-01-179-7749
NSN 5985-01-177-6976
NSN 6320-01-476-7702
NSN 4140-01-290-4026
NSN 6135-01-106-0984