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 5950-01-550-6508
NSN 5930-01-200-7885
NSN 6240-01-068-3491
NSN 5915-01-114-9855
NSN 4140-00-006-4188
NSN 5998-01-483-1426
NSN 5925-00-893-8566
NSN 6320-01-089-9086
NSN 7035-00-620-6835
NSN 5950-01-395-3753
NSN 6610-01-106-5012
NSN 5945-00-290-1779