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 5998-01-461-3051
NSN 5895-01-110-6737
NSN 4140-01-378-6386
NSN 7035-01-429-5725
NSN 5835-00-858-6631
NSN 6220-01-197-0486
NSN 5999-01-185-5380
NSN 5999-01-423-1030
NSN 5996-01-629-9093
NSN 7035-00-238-3662
NSN 6105-01-462-8351
NSN 6650-00-034-8438