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 5935-01-656-0016
NSN 5998-01-027-4331
NSN 5920-01-437-6543
NSN 6685-01-644-1782
NSN 5935-01-056-2972
NSN 5935-01-469-3936
NSN 6610-01-284-6968
NSN 5920-01-224-6530
NSN 6105-01-424-0275
NSN 6685-01-412-3193
NSN 5999-00-554-9966
NSN 5999-00-280-7824