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 6610-00-241-0742
NSN 5960-01-481-3722
NSN 6620-00-098-5652
NSN 6135-01-366-9633
NSN 5905-00-189-1159
NSN 5905-00-687-1629
NSN 5998-01-550-6263
NSN 6220-01-394-5263
NSN 5950-01-461-7010
NSN 6150-01-092-0897
NSN 5920-01-181-6776
NSN 6320-01-033-6624