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 5975-00-007-5141
NSN 5975-01-569-3145
NSN 6130-01-497-4678
NSN 2925-00-574-8796
NSN 5996-01-513-9656
NSN 5905-01-383-0302
NSN 4140-00-686-4894
NSN 4140-00-328-1527
NSN 5910-01-629-8164
NSN 5950-00-910-8766
NSN 6620-01-430-7104
NSN 5835-00-933-9609