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 5996-01-426-7975
NSN 6320-01-384-7079
NSN 5915-00-223-5308
NSN 5985-01-425-5588
NSN 5950-00-597-3661
NSN 2925-01-285-7163
NSN 5998-01-643-0384
NSN 6645-00-445-8143
NSN 6320-01-648-5538
NSN 5930-00-868-4490
NSN 6240-01-270-3655
NSN 6645-01-528-6433