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 5985-01-464-0410
NSN 6135-00-918-6993
NSN 5945-01-495-1494
NSN 5945-01-184-1457
NSN 5930-01-409-2952
NSN 6685-01-560-0777
NSN 6685-01-224-5590
NSN 6320-01-215-1133
NSN 6620-01-024-1228
NSN 5855-01-557-9470
NSN 5920-01-490-2733
NSN 5915-00-569-1434