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 6220-01-481-2603
NSN 6650-00-738-5418
NSN 5985-00-430-1583
NSN 6110-00-124-8940
NSN 5835-01-599-1876
NSN 5950-01-501-4277
NSN 5835-00-407-6820
NSN 6610-01-452-9486
NSN 6320-01-148-8125
NSN 6220-00-287-9939
NSN 6150-00-275-1936
NSN 6130-00-528-7838