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 6150-00-270-1001
NSN 6650-01-386-5787
NSN 5855-01-250-2421
NSN 6105-01-354-4432
NSN 5985-01-090-1627
NSN 5996-00-420-7950
NSN 5965-01-417-3211
NSN 6240-01-449-8249
NSN 5998-01-094-3792
NSN 5915-01-628-7725
NSN 5925-01-285-2375
NSN 6685-01-519-1712