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 6645-01-038-2829
NSN 5905-00-010-9691
NSN 5996-00-079-8550
NSN 5998-00-292-9515
NSN 5990-01-218-1821
NSN 6650-01-323-6252
NSN 6105-01-353-8383
NSN 6145-01-456-5929
NSN 5935-01-360-0448
NSN 5925-00-933-2939
NSN 5915-01-572-1126
NSN 6220-01-227-1917