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 6320-01-504-3948
NSN 6150-01-187-7293
NSN 4140-00-381-4563
NSN 6650-01-044-0183
NSN 5930-00-941-8348
NSN 6320-01-206-1055
NSN 6650-01-120-2628
NSN 6145-01-377-0706
NSN 5945-01-585-4498
NSN 6145-01-661-1305
NSN 5920-01-585-6775
NSN 6220-01-585-9488