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 5855-01-199-2046
NSN 6645-01-268-0544
NSN 5975-00-336-3481
NSN 6135-01-495-0933
NSN 5950-00-633-8366
NSN 5910-00-945-2043
NSN 5985-01-462-4080
NSN 6145-01-115-2036
NSN 6320-01-086-2602
NSN 5960-01-486-8919
NSN 6620-00-885-0716
NSN 5950-01-045-9673