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三是选择合适的测量范围<font face="Calibri">;</font></div><div align="left"> 四是测量直流电压时，一定分清正负极<font face="Calibri">;</font></div><div align="left"> 五是当转换开关在电流挡时，绝对不能将两个测棒直接跨接在电源上<font face="Calibri">;</font></div><div align="left"> 六是每当测完后，应将转换开关转到测量高电压位置上<font face="Calibri">;</font></div><div align="left"> 七是万用表不能受震动、受热、受潮等。</div><div align="left"> 以上介绍的就是怎样正确使用万用表，希望对您能有所帮助。</div><div align="left"><font face="宋体"><font style="font-size:12pt"><strong>以上信息由西安安泰<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>设备有限公司整理，希望对您能有所帮助。西安安泰测试设备有限公司是一家专注于<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>测试及工业测试领域仪器销售与仪器维修的专业公司。为客户提供“丰富的测试<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>选择、完整的系统测试解决方案、专业的测试<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>开发、全面的技术支持及售后服务”。目前公司主要进行电子测试仪器的销售及维修，自研产品的开发，已经成为西北地区规模最大的仪器综合服务商之一。</strong></font></font></div><div align="left"><font face="宋体"><font style="font-size:12pt"><strong>测试仪器维修事业部拥有多名丰富维修经验的高级工程师，能够完成各种测试仪器与测试系统的芯片级维修。我们提供免费样机试用，免费专业工程师培训，免费测试技术交流。 </strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>我们秉承全心全意为客户服务的原则，以合理的价格，让用户获得满意，</strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>公司优势</strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>• 西北唯一能够进行测试仪器芯片件及维修的专业公司帮助客户降低维修成本。 </strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>• 西北地区专业维修测试仪器，修复的仪器全部经过校准，为您提供最高质量的仪器维修服务。<font face="Calibri"> </font></strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>• 西北地区首家具备出具中华人民共和国修理计量器具许可证的仪器维修公司。 </strong></font></font><font face="宋体"><font style="font-size:12pt"><strong>• 专业的检测维修手段，打破国外厂家对高端仪器维修垄断，终结国外厂家维修的暴利时代。</strong></font></font></div><div align="left"><font face="宋体"><font style="font-size:12pt"><strong>咨询电话：029-88353093</strong></font></font></div><div align="left"><font face="宋体"><font 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