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 5990-01-642-1668
NSN 5895-00-405-2473
NSN 6220-01-003-7440
NSN 5855-01-391-7077
NSN 6610-00-833-3315
NSN 2925-01-055-7607
NSN 6105-01-526-9675
NSN 6150-01-589-5168
NSN 6135-01-222-0703
NSN 5996-00-583-9498
NSN 5965-00-954-3011
NSN 5915-01-449-1913