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APPARATUS FOR MEASURING THERMAL PARAMETERS OF DOUBLE-TERMINAL NETWORKS BY COMPARISON METHOD
APPARATUS FOR MEASURING THERMAL PARAMETERS OF DOUBLE-TERMINAL NETWORKS BY COMPARISON METHOD
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机译:用比较法测量双终端网络热参数的装置
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摘要
FIELD: determination of temperature range, quality control and rejection of faulty double-terminal networks. SUBSTANCE: apparatus includes electric current source, reference double-terminal network, terminals for connecting controlled double- terminal network, ampere meter, voltmeter for measuring voltage of controlled double-terminal network. Outlet of electric current source is connected with one of terminals designed for connecting controlled double-terminal network. One pole of ampere meter is connected with respective terminal of reference double-terminal network. Second pole of ampere meter and second terminal for connecting controlled network are connected with common bus. Novelty is k-1 additional reference double-terminal networks having known beforehand and similar thermal resistance and single-pole k-position switch. Respective outlets of additional k-1 double-terminal reference networks are connected with corresponding pole of ampere meter. Second outlets of all reference double-terminal networks are connected (individually) with respective contacts of single-pole k-position switch whose common pole is connected with outlet of electric current source. EFFECT: enhanced efficiency of apparatus. 1 dwg
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