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 6320-00-394-8458
NSN 5999-00-350-2135
NSN 5895-00-610-1080
NSN 6220-01-439-9611
NSN 5835-01-362-8367
NSN 6320-01-512-2031
NSN 6650-00-221-9425
NSN 5998-01-284-8849
NSN 6135-01-026-9960
NSN 6620-00-261-5396
NSN 6320-01-255-2096
NSN 5910-00-509-4145