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 6105-00-381-2369
NSN 5920-01-492-9173
NSN 5960-01-449-1310
NSN 5960-01-641-5493
NSN 5985-01-558-3507
NSN 5996-01-004-1811
NSN 6240-01-463-8276
NSN 6685-00-245-2534
NSN 5935-01-533-1599
NSN 5895-00-923-1374
NSN 5990-00-956-9130
NSN 5998-01-443-2004