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 6220-01-246-2303
NSN 5945-01-459-7700
NSN 5985-01-165-3972
NSN 6685-00-248-9125
NSN 5935-00-062-5090
NSN 6685-01-116-4526
NSN 5835-00-198-4936
NSN 6240-01-231-9243
NSN 2925-00-758-5728
NSN 5920-01-266-0290
NSN 5999-00-081-9413
NSN 6610-01-189-3001