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 5990-00-985-1334
NSN 6645-01-518-4296
NSN 4140-01-360-6237
NSN 5915-01-593-7113
NSN 6110-00-196-5346
NSN 5960-00-220-9717
NSN 5915-00-528-1192
NSN 5950-01-467-2426
NSN 6135-01-591-1250
NSN 5910-00-959-4894
NSN 6620-01-561-2798
NSN 6130-00-854-4087