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 6220-00-629-6273
NSN 6150-01-317-4681
NSN 5975-00-185-0413
NSN 7035-01-536-3458
NSN 6130-01-092-0633
NSN 5965-01-532-6779
NSN 5950-01-188-0061
NSN 6645-00-192-1152
NSN 5950-00-081-5136
NSN 5920-01-608-3280
NSN 4140-01-291-0376
NSN 5920-01-153-7235