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 5855-01-530-4147
NSN 5996-00-257-5646
NSN 5950-01-044-0848
NSN 5835-01-143-9143
NSN 6620-00-098-5652
NSN 5996-01-626-6686
NSN 6105-01-306-8557
NSN 5895-01-611-8643
NSN 6610-01-603-0703
NSN 5935-00-627-0241
NSN 5965-01-564-4066
NSN 6645-00-169-6759