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 6645-00-236-9076
NSN 6650-01-399-0628
NSN 6650-01-586-7926
NSN 5950-01-123-9999
NSN 5990-01-281-3120
NSN 5935-01-507-7583
NSN 5910-01-623-8435
NSN 5930-01-318-2403
NSN 5835-01-580-0446
NSN 5998-01-469-5957
NSN 6240-00-440-3656
NSN 6240-01-104-5693