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 5975-01-340-7880
NSN 5945-01-418-1762
NSN 6645-01-411-5657
NSN 5998-01-300-1646
NSN 2925-00-221-8529
NSN 5925-00-925-1707
NSN 5950-01-514-8430
NSN 6135-01-398-5922
NSN 6220-01-449-2807
NSN 5999-01-494-5014
NSN 4140-01-223-0116
NSN 5910-00-938-7626