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 6645-00-010-3054
NSN 6110-01-174-9569
NSN 5905-00-387-5083
NSN 6320-01-096-6649
NSN 5990-01-224-8052
NSN 5915-00-682-7799
NSN 6220-01-500-0740
NSN 6650-01-607-9343
NSN 5895-01-555-8582
NSN 2925-01-394-9658
NSN 5915-01-459-7303
NSN 5835-01-218-5560