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 6645-00-067-7070
NSN 6620-00-808-7277
NSN 5999-00-938-7076
NSN 2925-01-539-9795
NSN 5835-01-518-4300
NSN 6685-01-063-3922
NSN 5960-01-461-1384
NSN 5935-00-681-1120
NSN 5998-00-345-8421
NSN 5835-01-370-4292
NSN 7035-01-154-0796
NSN 6320-00-593-0379