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 5990-01-510-4699
NSN 6650-00-016-3676
NSN 5950-01-145-5419
NSN 6135-01-575-8362
NSN 6685-01-514-8082
NSN 5835-00-196-9771
NSN 6620-01-608-2682
NSN 5960-01-424-1781
NSN 5835-00-170-5238
NSN 6110-00-598-2574
NSN 5965-01-335-6630
NSN 5945-00-466-3233