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 5960-00-134-0607
NSN 6135-00-461-3590
NSN 6150-01-479-6561
NSN 5910-01-512-8782
NSN 6110-00-948-3204
NSN 6320-01-386-3491
NSN 5965-01-408-9551
NSN 2925-01-053-5697
NSN 6105-01-323-7679
NSN 5895-01-188-5046
NSN 6240-01-289-7570
NSN 6610-00-844-1195