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 5985-01-176-1737
NSN 4140-00-205-6491
NSN 5950-00-217-0972
NSN 6220-00-469-9166
NSN 5855-01-359-0373
NSN 6685-01-088-8697
NSN 6320-00-369-7796
NSN 5960-01-321-2750
NSN 5895-01-003-0981
NSN 6220-01-645-9417
NSN 5935-01-611-5398
NSN 5965-00-062-0559