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 4140-01-535-2691
NSN 5920-01-531-1927
NSN 6610-01-143-7914
NSN 5930-01-461-8362
NSN 5910-01-019-0353
NSN 7035-01-024-8067
NSN 5996-01-187-0838
NSN 6650-01-338-6042
NSN 5930-01-197-6857
NSN 6240-01-367-3656
NSN 5998-01-322-3400
NSN 5895-00-153-2595