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 5910-01-099-9522
NSN 5910-00-362-6687
NSN 5950-01-167-8616
NSN 6240-01-267-6499
NSN 5925-01-362-0728
NSN 5999-01-075-9775
NSN 6150-00-224-4887
NSN 5960-01-010-3083
NSN 5960-01-054-9639
NSN 6645-01-485-6536
NSN 6650-01-467-8818
NSN 6610-01-646-1609