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 5996-01-027-0577
NSN 5990-00-428-1895
NSN 5999-00-248-6984
NSN 5998-00-011-3002
NSN 5935-01-597-0450
NSN 6645-01-363-9790
NSN 6650-01-399-8552
NSN 5895-01-512-6084
NSN 6650-01-463-2274
NSN 7035-00-574-4223
NSN 6110-01-411-6000
NSN 6610-01-119-3048