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 7035-00-557-5570
NSN 7035-01-013-9889
NSN 5965-01-191-0735
NSN 5910-01-172-2467
NSN 5895-01-544-8685
NSN 6150-00-494-2413
NSN 6145-01-497-2147
NSN 5950-01-420-5166
NSN 5905-01-224-1735
NSN 5910-01-430-2107
NSN 5915-01-561-2476
NSN 5935-01-170-4965