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 6220-00-354-8287
NSN 6610-01-087-7718
NSN 5950-01-217-4092
NSN 5975-00-644-4972
NSN 5975-01-467-2045
NSN 6620-01-472-6461
NSN 5975-01-043-3084
NSN 5935-01-517-6969
NSN 5960-01-238-7367
NSN 6130-00-948-6949
NSN 5998-00-139-7835
NSN 5990-01-046-8530