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 5996-01-219-5743
NSN 5915-01-071-3260
NSN 5835-01-117-6124
NSN 5998-00-222-5293
NSN 5910-00-597-8695
NSN 6105-01-093-5677
NSN 5920-00-842-9055
NSN 5835-00-554-0399
NSN 6650-00-451-8174
NSN 7035-00-631-3782
NSN 5930-01-381-2523
NSN 5985-00-973-3131