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 6130-01-446-0511
NSN 5960-01-535-1743
NSN 5895-01-450-2080
NSN 5835-00-224-9148
NSN 5920-01-219-8792
NSN 5930-00-230-4675
NSN 5950-00-054-0593
NSN 5960-01-237-2336
NSN 5965-00-339-2743
NSN 5965-00-267-4173
NSN 6145-00-366-5790
NSN 6320-01-056-1164