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 5965-01-168-8180
NSN 5915-01-147-3023
NSN 6220-01-618-6408
NSN 6685-01-442-4985
NSN 6620-01-562-0615
NSN 5930-01-150-1785
NSN 5895-01-220-7165
NSN 5935-00-240-7728
NSN 5925-00-113-5066
NSN 6105-01-627-2198
NSN 6320-01-281-6028
NSN 6685-00-233-6563