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 5965-01-142-1807
NSN 6610-01-111-6418
NSN 5925-01-520-8210
NSN 6150-01-063-5368
NSN 5925-01-459-9005
NSN 5960-00-633-1160
NSN 5965-00-215-5866
NSN 6130-01-600-2693
NSN 6105-01-366-3897
NSN 6130-01-389-8417
NSN 5910-00-779-8405
NSN 6130-01-166-9120