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 7035-01-340-3272
NSN 6150-01-600-3813
NSN 5965-00-408-5501
NSN 5965-01-159-2694
NSN 5950-01-481-3116
NSN 6110-00-255-2025
NSN 6105-01-201-4104
NSN 6220-01-123-9290
NSN 5990-01-302-3733
NSN 6610-01-520-3164
NSN 5920-01-626-3711
NSN 6110-01-291-6010