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 6135-01-632-3365
NSN 4140-01-503-0034
NSN 5965-01-452-8406
NSN 5835-00-498-8189
NSN 5910-01-511-9941
NSN 6150-00-157-5988
NSN 5925-01-313-3895
NSN 5935-01-270-0658
NSN 6620-01-442-8444
NSN 5960-00-099-9790
NSN 6620-01-175-2084
NSN 5930-00-167-8058