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 6240-01-373-4530
NSN 6150-00-519-1767
NSN 6620-00-391-0374
NSN 5910-00-409-8543
NSN 5990-00-968-7685
NSN 5915-00-250-4007
NSN 6130-01-324-1253
NSN 7035-01-183-1989
NSN 6145-01-343-6712
NSN 6220-01-236-9650
NSN 5965-01-532-6779
NSN 6320-00-336-9123