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 5990-01-455-8035
NSN 7035-01-589-7132
NSN 4140-00-753-6888
NSN 6620-01-141-5747
NSN 6150-01-497-4783
NSN 5975-01-630-3883
NSN 5999-01-382-0898
NSN 7035-00-465-3298
NSN 5950-00-080-1630
NSN 6240-01-457-7978
NSN 5999-00-525-4320
NSN 5965-01-640-8044