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 6150-01-435-4483
NSN 6145-00-199-8066
NSN 5965-01-067-9280
NSN 2925-01-142-0981
NSN 5965-01-426-8325
NSN 5855-01-520-8328
NSN 5855-01-430-5459
NSN 6150-00-108-6350
NSN 5996-00-932-2187
NSN 6220-01-056-2056
NSN 6105-01-507-7442
NSN 5905-00-836-3763