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 5910-01-254-7032
NSN 5835-01-492-3143
NSN 5996-01-622-8976
NSN 6645-01-361-2495
NSN 6105-00-256-0113
NSN 6610-01-579-2984
NSN 6105-01-206-8832
NSN 5895-00-103-7233
NSN 5975-00-906-6299
NSN 6685-01-323-5272
NSN 5920-00-216-8665
NSN 6220-01-521-2383