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 5835-01-256-8006
NSN 6130-01-458-6612
NSN 6105-01-551-1696
NSN 5855-01-648-7687
NSN 6320-01-108-5933
NSN 7035-00-215-3272
NSN 5998-00-801-7925
NSN 5998-01-525-7999
NSN 5905-00-782-4572
NSN 5965-00-686-7067
NSN 6150-01-091-2691
NSN 5990-00-557-8726