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 6135-01-290-6487
NSN 5960-00-839-0698
NSN 5920-01-575-0177
NSN 6685-01-641-3574
NSN 6610-01-211-4210
NSN 6650-01-235-0981
NSN 6620-00-008-0213
NSN 6105-01-388-1053
NSN 5975-01-654-6211
NSN 5895-01-411-6024
NSN 2925-01-510-9378
NSN 5950-00-042-6541