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 5975-00-111-1226
NSN 4140-01-186-3977
NSN 6150-01-371-4835
NSN 6685-01-373-7979
NSN 7035-00-490-0485
NSN 6620-00-262-3113
NSN 5990-00-754-2842
NSN 6620-01-359-3920
NSN 6610-01-633-8931
NSN 6150-00-300-0395
NSN 5915-00-132-5531
NSN 5925-00-967-8685