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 6685-01-338-0867
NSN 6145-01-598-5332
NSN 5965-00-407-4828
NSN 5920-01-163-6327
NSN 5895-01-501-1494
NSN 2925-00-468-5273
NSN 6645-01-576-2691
NSN 5835-00-770-2843
NSN 5990-01-485-0260
NSN 6650-00-331-2232
NSN 6150-01-499-2741
NSN 2925-00-180-2532