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 5905-00-539-5956
NSN 2925-00-278-9468
NSN 6685-00-269-6444
NSN 5965-01-325-0627
NSN 6320-00-925-0558
NSN 6105-01-099-4813
NSN 6645-01-231-9891
NSN 6650-00-769-3003
NSN 5920-01-618-8405
NSN 5996-00-448-1245
NSN 6645-01-188-0213
NSN 6150-01-573-8741