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 5935-01-380-0861
NSN 6240-01-463-8276
NSN 5996-00-433-8371
NSN 5910-00-794-6651
NSN 5950-01-321-7293
NSN 4140-00-981-5474
NSN 6650-01-467-2355
NSN 5965-01-436-0390
NSN 6240-01-174-1907
NSN 5905-00-813-4596
NSN 5985-01-116-2295
NSN 7035-00-179-3924