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 6645-01-045-4088
NSN 5895-01-023-8446
NSN 5960-00-249-5005
NSN 5895-00-001-9134
NSN 5895-01-455-2011
NSN 5925-00-929-7829
NSN 5915-01-267-9899
NSN 5975-01-436-9701
NSN 5998-01-472-1754
NSN 5950-01-149-2987
NSN 5960-00-197-6282
NSN 5920-00-331-0583