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 6240-01-432-0819
NSN 5965-01-420-6613
NSN 6320-01-659-2819
NSN 5855-01-477-9629
NSN 4140-01-039-0414
NSN 6105-01-481-1164
NSN 5930-01-052-5027
NSN 2925-01-531-3872
NSN 5835-01-286-6499
NSN 5985-01-192-3264
NSN 6105-01-485-1846
NSN 6685-00-103-9589