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 5905-00-638-6776
NSN 5930-01-090-4527
NSN 6105-00-688-7082
NSN 4140-01-211-6474
NSN 6110-00-928-8873
NSN 5930-01-233-2386
NSN 2925-01-271-4635
NSN 5905-00-255-2482
NSN 5835-01-654-4570
NSN 5990-01-234-0789
NSN 6110-01-296-6212
NSN 5855-00-532-0025