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WJRC-100B Loop Resistance Tester

WJKR-100B回路电阻测试仪采用先进的大功率开关电源技术和先进的电子线路精制而成。是高、低开关、电缆电线及焊缝接触电阻的专用测试仪器。其电流采用国家标准GB736所推荐的标准电流,可在标准电流的情况下测得被试品的电阻值。本仪器具有体积小、重量轻、抗干扰能力强、精度高、操作方便、保护功能完善等特点。
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  一、概述

  WJKR-100B回路电阻测试仪采用先进的大功率开关电源技术和先进的电子线路精制而成。是高、低开关、电缆电线及焊缝接触电阻的专用测试仪器。其电流采用国家标准GB736所推荐的标准电流,可在标准电流的情况下测得被试品的电阻值。本仪器具有体积小、重量轻、抗干扰能力强、精度高、操作方便、保护功能完善等特点。

 

  二、技术参数

001

  部分回路测试仪带“切换”开关时。

 

  三、工作原理

001

  WJKR-100B回路电阻测试仪采用电流电压法测试原理,也称四线法测试技术,原理方框图见图二。

003

图二 测试原理图

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