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 6105-01-359-7843
NSN 5835-01-571-4083
NSN 5835-01-442-6482
NSN 5910-01-590-2626
NSN 6105-01-250-3943
NSN 6320-01-453-5152
NSN 5905-01-224-8493
NSN 5910-01-282-5555
NSN 6645-01-023-2180
NSN 6645-00-153-3834
NSN 5985-01-537-4554
NSN 6685-01-168-8391