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 5835-01-642-4705
NSN 5935-01-024-9162
NSN 5975-00-553-7151
NSN 5975-01-299-9779
NSN 6105-00-169-8773
NSN 6145-01-552-3576
NSN 6145-01-202-7002
NSN 6135-00-221-4720
NSN 5935-00-111-8638
NSN 5930-01-648-9383
NSN 5999-01-413-9948
NSN 5855-00-688-9954