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 5960-00-285-1001
NSN 6650-01-124-4314
NSN 5855-01-458-5163
NSN 5998-00-215-8604
NSN 5999-01-168-6696
NSN 5935-01-377-5888
NSN 5998-00-661-0380
NSN 5950-01-092-5274
NSN 5950-00-657-4769
NSN 6130-01-654-0084
NSN 5905-00-286-8564
NSN 5915-01-492-1913