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 2925-01-531-6811
NSN 5975-00-314-1667
NSN 5985-01-186-0526
NSN 6645-01-440-8624
NSN 5855-01-643-7117
NSN 5990-00-419-7584
NSN 6145-01-412-0926
NSN 2925-00-211-4761
NSN 5910-01-478-9496
NSN 4140-00-314-1025
NSN 6150-01-351-6898
NSN 5835-01-237-3769