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 5905-00-490-0464
NSN 5990-01-512-9129
NSN 6645-00-183-8812
NSN 5930-01-388-1287
NSN 5905-01-599-2493
NSN 6145-00-076-9324
NSN 5996-01-359-8719
NSN 6650-00-356-8405
NSN 5910-00-285-6400
NSN 6135-00-422-3967
NSN 4140-01-160-4403
NSN 6620-01-463-1373