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 6620-01-438-8479
NSN 6645-01-526-0379
NSN 5895-01-422-6294
NSN 6105-00-827-0616
NSN 6135-00-191-6444
NSN 5920-01-110-3177
NSN 5920-01-531-1586
NSN 5855-01-125-9167
NSN 6145-01-410-7153
NSN 5920-00-135-0127
NSN 5895-01-497-7326
NSN 5920-00-900-9255