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 5945-00-798-5228
NSN 6620-01-098-9866
NSN 6105-00-398-4673
NSN 5910-01-340-6217
NSN 5835-01-085-9591
NSN 6105-00-482-7208
NSN 6645-01-549-0935
NSN 6650-00-356-8405
NSN 5935-01-202-1452
NSN 6685-01-014-7235
NSN 6105-00-144-1754
NSN 6130-01-397-3540