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 5975-01-085-5824
NSN 5990-01-036-5602
NSN 5930-00-805-8362
NSN 6105-00-779-4108
NSN 6685-01-214-8688
NSN 6110-01-370-3182
NSN 6220-01-283-6258
NSN 5990-00-965-0495
NSN 5930-01-358-3157
NSN 6145-01-108-3888
NSN 6220-00-605-0404
NSN 5950-01-458-9519