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 6150-00-406-2761
NSN 5950-01-157-9482
NSN 5925-01-253-2765
NSN 6685-00-269-3729
NSN 5935-00-059-5404
NSN 5998-00-900-5882
NSN 5855-01-641-8826
NSN 5945-00-943-0069
NSN 5910-01-464-0508
NSN 6320-01-125-3361
NSN 6135-00-010-5275
NSN 4140-01-423-1005