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 5945-01-565-8436
NSN 6220-00-437-7851
NSN 6240-01-320-1308
NSN 6135-00-789-2865
NSN 6105-01-401-5361
NSN 6220-00-935-4308
NSN 5930-01-446-3943
NSN 5975-01-029-4879
NSN 6685-01-543-0249
NSN 6610-01-406-1601
NSN 6105-00-299-6373
NSN 5920-01-339-3977