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 6645-01-152-1092
NSN 5935-01-561-2578
NSN 6220-00-527-1177
NSN 5996-01-512-0800
NSN 5905-01-634-0595
NSN 5985-01-371-1516
NSN 5950-00-276-8584
NSN 5945-01-597-4021
NSN 7035-01-261-9850
NSN 6650-00-614-1711
NSN 5985-01-294-2422
NSN 5985-01-350-3823