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class="relatedlink">显示</a>方式分为指针多用表和数字多用表。是一种多功能、多量程的测量仪表，一般多用表可测量直流电流、直流电压、交流电流、交流电压、电阻和音频电平等，有的还可以测交流电流、电容量、电感量及<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">半导体</a>的一些参数</font><font face="Calibri">(</font><font face="宋体">如β</font><font face="Calibri">)</font><font face="宋体">等。那么万用表由哪几部分组成</font><font face="Calibri">?</font></div><div align="left"> 数字万用表主要由以下几部分组成：</div><div align="left"> 一、表头</div><div align="left"> 通常采用磁电系测量机构作为万用表表头<font face="Calibri">.</font><font face="宋体">它的满刻度偏转一般为几个微安到数百微安</font><font face="Calibri">.</font><font face="宋体">满刻度偏转电流越小，则灵墩度越高。</font></div><div align="left"> 二、测量线路</div><div align="left"> 一般万用表的测量线路由多量程直流电流表、多量程直流电压表、多橄程交流电压表及多盈程欧姆表组成<font face="Calibri">.</font><font face="宋体">某些型号的万用表还有多蚤程交流电流测量线路</font><font face="Calibri">.</font></div><div align="left"> 三、转换开关</div><div align="left"> 万用表各种测量对象及量程选择是靠转换开关来实现的<font face="Calibri">.</font><font face="宋体">转换开关里有固定接触点和活动接触点，当活动接触点和固定接触点闭合时可以接通<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>。</font></div><div align="left">数字万用表可以测量直流电压、直流电流、交流电压、交流电流、电阻、分贝位<font face="Calibri">.</font><font face="宋体">有些万用表还可测量电容、电感、<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>管放大倍数。</font></div><br /> <div align="left"><font face="宋体"><font style="font-size:14pt"><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电子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:14pt"><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 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