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 5835-00-757-3558
NSN 5855-01-656-6808
NSN 5990-00-137-3971
NSN 6145-01-097-0746
NSN 5915-01-559-8039
NSN 6610-01-317-4859
NSN 4140-01-253-5237
NSN 6150-01-224-2202
NSN 5920-01-511-6441
NSN 5950-00-222-5882
NSN 5925-01-613-5869
NSN 4140-01-644-4637