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 5960-01-265-4487
NSN 6685-01-494-0634
NSN 6105-01-386-1529
NSN 5835-01-209-6410
NSN 6650-01-383-4526
NSN 6220-01-360-9659
NSN 5905-00-247-3027
NSN 5835-01-555-8963
NSN 5945-01-112-4706
NSN 5895-01-557-0090
NSN 5905-01-260-5472
NSN 5895-00-908-1720