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 6220-01-382-7740
NSN 5996-01-230-8671
NSN 5910-01-229-0142
NSN 5960-01-577-5682
NSN 6145-00-738-5601
NSN 4140-01-625-0204
NSN 6645-01-534-5545
NSN 5960-01-126-5767
NSN 5925-00-940-8088
NSN 5895-00-128-6783
NSN 5905-01-029-9877
NSN 6130-01-289-5914