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target="_blank">瑞杰实业集团</a> </td> </tr> </table> </td> </tr> </table> </td> <td style="width:770px;" valign="top"> <table width="770px;" cellpadding="0" cellspacing="0" border="0"> <tr> <td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td style="height: 39px; background-image: url(../skins/01/images/LongDetails.jpg)" align="right"> 当前位置Q首?nbsp;?nbsp;详细信息 ?nbsp;正文   </td> </tr> <tr> <td>  </td> </tr> <tr> <td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td valign="top" style="padding: 5px;"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td style="height: 30px;" class="ArtTitle"> 回\电阻试仪故障如何更好的排除Q? </td> </tr> <tr> <td style="height: 1px;" class="border_bottom">  </td> </tr> <tr> <td style="height: 25px;" class="font_gray"> </td> </tr> <tr> <td style="height: 15px;"> </td> </tr> <tr> <td style="height: 50px;" align="left" class="bgcolor_explain lineheight_24"> <span class="font_bold">核心提示Q?/span>[现象]回\电阻试仪接?20V交流甉|Q风机无q{壎ͼ且按一下“测试开?Q电表、微Ƨ表无显C。[原因]220V交流甉|不通,保险未装或熔断。[排除Ҏ]查ƈ排除?100A仪器保险不小?A再次熔断与厂方联p解冟?千万不可接入直流?80V交流甉|) </td> </tr> <tr> <td style="height: 15px;"> </td> </tr> <tr> <td style="height: 350px;" align="left" valign="top" class="ArtContent"> <P>现象一Q?BR>[现象]回\电阻试仪接?20V交流甉|Q风机无q{壎ͼ且按一下“测试开?Q电表、微Ƨ表无显C?BR>[原因]220V交流甉|不通,保险未装或熔断?BR>[排除Ҏ]查ƈ排除?100A仪器保险不小?A再次熔断与厂方联p解冟?千万不可接入直流?80V交流甉|) <BR><BR>现象二:<BR>[现象]按一下“测试开?Q电表昄无电,微欧表最高位昄?”?BR>[原因]100A甉|回\没有接好。被试开x有合上?BR>[排除Ҏ]查测试线、重接、重夏V合上开兟?<BR><BR>现象三:<BR>[现象]试甉|正常Q微Ƨ值最高位昄?"<BR>[原因]电压夹位|错误。被回路电dDq?000□□。电压信L断线或未接通?BR>[排除Ҏ]处理电压信号回\Q夹寏V夹好电压夹。超量程Ӟ可用万用表测P1、P2电压|电阻?电压?甉|倹{?BR><BR>现象四:<BR>[现象]输出甉|数十倍,不到100A?BR>[原因]甉|电压太低Q电源线内阻大或接触不良Q有直流输出时压降太大,达不?90V。C1、C2接线柱松动。被回路及试U夹接触不好?BR>[排除Ҏ]使用合格甉|Q有用太长太l的甉|U,处理被测回\Q消除接触不良。扭C1、C2、P1、P2接线柱时用力要适当?试甉|在于30A试值可? <BR><BR>现象五:<BR>[现象]试甉|正常Q微Ƨ值显C异怸不重复?<BR>[原因] 电压信号回\接触不良Q时通时断。被电Lw接触不好,d变化?BR>[排除Ҏ]保证接触良好可靠。检查ƈ排除?<BR><BR>现象六:<BR>[现象] 试甉|正常Q微Ƨ表昄负倹{?BR>[原因]电压多w位,正负接反?BR>[排除Ҏ]U正Q应为:P1+、P2|?<BR><BR>现象七:<BR>[现象]校验试Ӟ有时昄值L动大?BR>[原因]校验试时测试线呈电感线圈状未散开?BR>[排除Ҏ]拉开拉散试U,减小其电感互感量?</P> </td> </tr> <tr> <td style="height: 15px;"> </td> </tr> <tr> <td style="height: 25px;" align="left" class="bgcolor_02 pad_left_5"> 标签Q回路电L试A </td> </tr> <tr> <td style="height: 15px;"> </td> </tr> <tr> <td style="height: 1px;" class="background_line_01"> </td> </tr> <tr> <td style="height: 25px;" align="left"> ?span onclick="history.back();" style="cursor: pointer;" title="q回上页">q回上页</span>? </td> </tr> </table> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table> <table width="1000" cellpadding="0" cellspacing="0" border="0" align="center" class="margin_top_10"> <tr> <td> <table width="1000" cellpadding="0" cellspacing="0" border="0"> <tr> <td style="height: 66px; background-image: url(../skins/01/images/btbg.gif);" class="font_white lineheight_28"> 地址Q中?陕西.西安市高新区博文?1?nbsp; 电话Q?29-88231971 / 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