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 5945-00-933-7995
NSN 5975-01-283-1238
NSN 6220-01-499-4750
NSN 6110-01-062-0252
NSN 5960-01-082-4188
NSN 5855-00-491-7079
NSN 6110-01-583-2578
NSN 5990-00-777-0413
NSN 5960-01-167-8796
NSN 4140-00-144-6833
NSN 4140-01-106-8952
NSN 5935-01-591-8722