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 6110-01-313-9030
NSN 6645-01-120-4988
NSN 5925-01-057-0417
NSN 6610-01-351-4607
NSN 5915-01-381-0315
NSN 5990-00-573-6067
NSN 6650-01-428-6799
NSN 5950-01-339-8209
NSN 5895-01-290-3413
NSN 6145-01-069-0588
NSN 6105-01-048-0344
NSN 6150-00-929-6164