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 5925-01-216-2169
NSN 7035-01-218-6960
NSN 6110-01-050-8119
NSN 5975-01-548-6253
NSN 5915-00-421-9341
NSN 5998-01-341-4392
NSN 5855-01-050-0861
NSN 5945-00-133-5688
NSN 6320-00-564-2772
NSN 6610-00-466-3104
NSN 5985-01-284-0157
NSN 5925-00-299-8037