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 5999-01-225-7765
NSN 5895-00-105-5204
NSN 5950-01-600-7299
NSN 6145-01-528-1197
NSN 5925-00-802-1243
NSN 6610-00-318-5735
NSN 5950-01-222-1021
NSN 5945-00-269-5375
NSN 2925-01-364-7926
NSN 6145-01-187-8909
NSN 6650-01-226-2397
NSN 6110-00-071-2783