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id="m4sedaowg009" class="inside_rnewcon"><p>接地電阻測試儀使用步驟<br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">一、準備</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">1、仔細閱讀接地電阻測試儀的使用說明書，熟悉接地電阻測試儀的結(jié)構(gòu)、性能和操作方法。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">2、必須準備好所有測量工具和附件，擦拭儀器和接地探頭，尤其是接地探頭，清除其表面影響電導率的污垢和銹跡。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">3、斷開接地干線與接地體的連接點或接地干線上所有接地支路的連接點，連接，成為一個獨立的個體。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">準備工作是測量前的一項關鍵工作。如果沒有做好這些準備，很可能無法順利進行測量，或者測量結(jié)果不夠準確。 </p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">二、測量程序</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">1. 將兩根接地探針沿接地體輻射方向分別插入距接地體20m和40m處的地面，插入深度為400mm，</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">2. 將接地電阻測量儀水平放置在接地體附近，然后進行接線。接線方法如下。 </p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">①將接地體與接地測量儀的“E1"端子（三端鈕扣式測量儀）或C2的公共端子（四端子鈕扣式測量儀）短接后用短專用線短接。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">② 將測量探頭（電流探頭）從接地體40m 處用長專用線接到測量儀的“C1"端子上。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">③ 將測量探頭（電位探頭）與測量儀表的“P1"端子用專用線連接在剩余長度的中間。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">3、將接地電阻表水平放置后，檢查并確保檢流計指針指向中心線。如果不指向中心線，調(diào)整“調(diào)零器"，使儀表指針指向中心線。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">4、將“倍數(shù)刻度"（或粗調(diào)旋鈕）調(diào)大倍數(shù)，慢慢轉(zhuǎn)動發(fā)生器手柄，使指針開始移動。同時轉(zhuǎn)動“測量刻度盤"（或微調(diào)旋鈕），使振鏡指針指向中心線。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">5、當振鏡指針接近天平（指針接近中心線）時，加快旋轉(zhuǎn)手柄的速度，使轉(zhuǎn)速達到120r/min以上，“測量刻度盤"應調(diào)整，使指針指向中心線。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24);"><br/></p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; line-height: inherit; font-family: 微軟雅黑, Arial, 宋體; color: rgb(24, 24, 24); text-indent: 2em;">6、“量尺盤"讀數(shù)過?。?lt;1），難以讀出準確值，說明倍數(shù)倍數(shù)過大。此時，將“倍數(shù)刻度"調(diào)小倍數(shù)，重新調(diào)整“刻度尺"，使指針指向中心線，讀取準確讀數(shù)。</p><p style="margin-top: 2px; margin-bottom: 2px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 15px; 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