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 5915-01-114-5250
NSN 7035-01-305-1950
NSN 5905-01-241-6109
NSN 6650-00-527-7451
NSN 5985-01-449-4615
NSN 5975-01-606-1226
NSN 7035-01-350-3978
NSN 5905-00-535-2850
NSN 6685-00-670-7708
NSN 5950-01-310-7321
NSN 6145-00-033-2997
NSN 5998-01-220-9671