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 5895-01-332-0766
NSN 6645-00-144-4868
NSN 6150-01-393-9671
NSN 6110-01-370-3803
NSN 5935-01-151-4426
NSN 6105-01-322-8944
NSN 2925-01-218-5556
NSN 5999-01-514-9314
NSN 4140-00-243-6664
NSN 5965-01-061-3724
NSN 6145-01-247-0200
NSN 6105-01-093-4566