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 6220-01-485-2381
NSN 5835-01-380-5943
NSN 6220-00-615-2168
NSN 6110-00-797-7559
NSN 6240-01-424-9997
NSN 6685-01-099-2458
NSN 6610-00-012-8072
NSN 6105-01-435-7254
NSN 6220-01-280-0531
NSN 6135-01-116-3385
NSN 6145-01-408-7156
NSN 6645-01-344-1992