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 5975-01-462-1417
NSN 5999-00-056-3426
NSN 5855-01-070-8084
NSN 5835-01-555-8963
NSN 5990-01-370-6437
NSN 6135-01-526-6530
NSN 6130-00-170-4844
NSN 6145-01-158-7858
NSN 5925-01-618-8943
NSN 5950-01-111-6556
NSN 5960-01-391-8860
NSN 5925-01-153-7493