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 5895-01-332-5148
NSN 6240-00-957-5724
NSN 6620-01-457-9100
NSN 6685-01-089-9606
NSN 6220-00-907-5711
NSN 6620-00-947-3889
NSN 5855-01-443-2509
NSN 5999-00-962-8562
NSN 5996-01-385-0884
NSN 5835-00-140-8646
NSN 5835-01-222-2437
NSN 6105-00-556-0477