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 6645-00-772-0532
NSN 4140-01-215-1125
NSN 5930-00-277-4704
NSN 5930-01-411-1014
NSN 6645-01-577-5891
NSN 5960-01-359-4257
NSN 6650-00-804-2039
NSN 6135-01-333-6737
NSN 5855-00-004-0904
NSN 5835-01-077-5371
NSN 5985-00-656-3319
NSN 5915-01-370-5874