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 5999-01-431-8878
NSN 5965-01-528-8152
NSN 6610-01-388-6661
NSN 6685-00-684-5200
NSN 6685-00-995-8067
NSN 6650-01-391-7527
NSN 5975-01-354-7914
NSN 5915-00-376-7820
NSN 6150-01-103-3965
NSN 6645-01-094-8917
NSN 5996-00-007-1384
NSN 6650-01-381-7296