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 5910-01-353-6904
NSN 5920-01-499-5701
NSN 5999-01-546-0719
NSN 6135-01-336-3115
NSN 6145-01-396-4168
NSN 5910-01-044-2701
NSN 5975-01-224-7820
NSN 5925-01-187-0695
NSN 6610-01-301-3513
NSN 6645-00-973-3868
NSN 5950-01-650-6804
NSN 6685-00-527-7952