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 6110-00-097-9140
NSN 5965-00-226-0209
NSN 5905-01-275-6496
NSN 5935-01-195-5105
NSN 5960-00-947-2746
NSN 5895-00-411-9671
NSN 6620-00-959-6614
NSN 6220-01-492-4144
NSN 6105-01-628-0605
NSN 5835-01-386-4027
NSN 4140-00-545-3422
NSN 5895-00-408-0398