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 5965-01-413-2938
NSN 6620-00-919-0163
NSN 5965-01-384-4912
NSN 6105-00-257-2505
NSN 6130-01-512-7832
NSN 5975-00-575-6665
NSN 6645-00-269-2764
NSN 5910-00-823-6310
NSN 6650-01-082-1533
NSN 5975-01-165-0414
NSN 5999-00-070-2910
NSN 6135-01-364-0667