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 5895-01-245-9515
NSN 5990-00-632-7106
NSN 5998-01-374-1632
NSN 5960-00-929-8002
NSN 5925-01-519-9251
NSN 5999-01-436-2297
NSN 5996-00-168-8828
NSN 5895-01-132-2842
NSN 6650-00-456-1736
NSN 5998-01-024-9347
NSN 5915-01-476-7124
NSN 5855-00-411-8688