单相表功能操作流▃程图 <div class="r"> <a href="javascript:;" onClick="javascript :history.back(-1);" class="_b2l"><i class="ico-1"></i>返回列表</a> </div> <span><i class="ico-1"></i>2018-04-21</span> <span class="views"><i class="ico-1"></i><b id="viewCountId">1786</b></span> <span class="bdsharebuttonbox" data-tag="share_s"> <i class="ico-1"></i> <a href="#" class="bds_more" data-cmd="more">分享</a> </span> <span id="switcher"> <a href="javascript:void(0)" id="big"><i class="ico-1"></i></a> <a href="javascript:void(0)"><i class="ico-1"></i></a> <a href="javascript:void(0)" id="small"><i class="ico-1"></i></a> </span> 概述⊙真有效◥值测量、整四位LED、LCD显示⊙软件调校、内部无电位器（精度高、稳定性好、长期◣工作免调校）⊙可编程通过面板按键任意调节显示值1~9999⊙可选带通讯功能⊙可选一路模拟量←输出（DC4-20MA/0-20MA/0-5V）⊙可选带上下限报警控制功能⊙可选两路开关量●输入
