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 5910-01-590-8771
NSN 2925-01-182-9924
NSN 5910-01-550-9709
NSN 6240-00-881-9624
NSN 5915-01-412-8667
NSN 6610-00-765-7174
NSN 6220-01-068-4066
NSN 5920-00-167-2700
NSN 6130-00-728-5538
NSN 6145-01-350-3532
NSN 6650-00-405-0702
NSN 5975-01-012-0792