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 6105-01-215-1174
NSN 6645-01-202-7986
NSN 6620-00-555-3992
NSN 5905-00-088-1027
NSN 5950-01-276-2580
NSN 5930-01-199-0136
NSN 6650-01-548-2123
NSN 5950-00-866-4929
NSN 5975-00-489-6195
NSN 6240-00-101-9339
NSN 5996-01-467-3799
NSN 5915-00-584-3512