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 5935-01-435-6315
NSN 6645-01-571-8578
NSN 5999-01-237-3844
NSN 5935-01-646-7416
NSN 4140-00-648-3303
NSN 5935-00-722-1463
NSN 6645-01-264-2701
NSN 5950-01-131-2049
NSN 5990-01-327-1558
NSN 6220-00-951-6900
NSN 6320-01-462-2295
NSN 6150-01-108-7189