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 5905-00-316-6287
NSN 6610-00-899-1751
NSN 5935-00-131-1261
NSN 6150-01-106-3646
NSN 6620-01-616-6008
NSN 5990-01-544-4360
NSN 6145-00-920-1220
NSN 5905-00-854-3680
NSN 7035-01-217-7474
NSN 6650-01-297-4376
NSN 5895-00-691-3685
NSN 5925-01-313-8396