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 5915-01-387-8111
NSN 5855-00-361-0167
NSN 6220-01-480-4000
NSN 6685-01-422-3431
NSN 5920-01-650-1820
NSN 5990-00-053-1892
NSN 5920-00-783-7859
NSN 6105-00-482-2658
NSN 5998-00-259-0351
NSN 5910-00-835-2620
NSN 7035-01-380-6538
NSN 5950-00-039-5788