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 6620-00-366-1365
NSN 6135-00-271-0407
NSN 5855-00-285-8172
NSN 6650-00-726-4242
NSN 5950-01-100-3089
NSN 5998-01-192-7950
NSN 6650-01-571-7122
NSN 5950-01-095-1423
NSN 5975-01-442-2396
NSN 5895-00-194-4875
NSN 6650-01-177-2673
NSN 5915-00-862-5480