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 5985-01-553-8626
NSN 6650-01-139-0022
NSN 5975-01-287-2155
NSN 6610-01-461-8180
NSN 5985-01-028-6872
NSN 7035-01-565-4898
NSN 5920-01-515-2163
NSN 6110-00-882-7117
NSN 6620-00-880-7728
NSN 6105-01-322-7653
NSN 5835-01-123-8305
NSN 5930-00-243-8866