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 5915-00-917-9569
NSN 6135-01-313-1948
NSN 5990-00-170-4239
NSN 5895-01-217-7513
NSN 5950-00-269-4462
NSN 5985-01-462-6001
NSN 5990-00-915-1295
NSN 5990-01-231-1214
NSN 5965-01-282-6085
NSN 5925-00-402-7768
NSN 6610-00-459-9607
NSN 5930-01-088-0669