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Title: A 50 Ppm 47 Hz To 63 Hz Power Standard
Author: Duane Brown,
Source: 1985 Measurement Science Conference
Year Published: 1985
Abstract: A micro based thermal wattmeter for the precision measurement of power over the 47 hertz to 63 hertz spectrum is described. It will operate up to 1000 hertz with reduced accuracy covering the power factor range of -1 through 0 to +l. The principle used is that of the AC/DC transfer principle, the main element being the differential multijunction thermal converter. The design has a resolution of 1 ppm and a direct reading full scale accuracy of 50 ppm.

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