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 2925-01-532-2477
NSN 6320-01-021-6633
NSN 4140-01-261-6778
NSN 5998-01-265-9371
NSN 5935-00-016-0429
NSN 6610-01-320-4343
NSN 5930-01-484-2694
NSN 5975-01-574-0741
NSN 6110-01-514-5519
NSN 5999-00-812-2463
NSN 5998-00-478-0701
NSN 6685-00-180-0349