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 6240-01-400-0570
NSN 5905-01-133-9417
NSN 5945-00-947-9448
NSN 6220-00-904-8870
NSN 5990-01-278-9985
NSN 5935-01-524-4251
NSN 6610-01-287-9814
NSN 5985-01-391-4753
NSN 5996-00-794-9688
NSN 5915-01-511-1024
NSN 6685-01-558-3540
NSN 5855-01-361-2362