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 5835-01-536-6241
NSN 6110-00-346-7958
NSN 7035-01-223-9584
NSN 6130-01-598-8956
NSN 5960-01-190-7054
NSN 5996-00-975-5432
NSN 6105-00-587-9488
NSN 5998-00-180-5831
NSN 5905-01-556-0823
NSN 6105-01-205-8524
NSN 5930-00-230-7492
NSN 6240-00-141-6143