南大万和小型制冷性能实验�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体;color:#333333">本实验装置用于近代物理实验中的低温实验，测量小型制冷装置制冷功率和制冷效率。利用加热补偿法测量不同温度下小型制冷机模拟系统的制冷功率，可通过对制冷系统压缩机排气口和回气口温度及压力的测量估测制冷效率。通过以上测量学习和掌握对不同制冷剂及不同灌注量的制冷剂对制冷功率与效率的影响进行研究。本实验装置由制冷部分和控制部分组成。制冷部分由压缩机、冷凝器、过滤器、毛细管、蒸发器、压力表和不锈钢机架组成。控制及测量部分由四通道温度计（单表头显示，按键切换通道显示）、秒表、恒流源等组成、�/span></p><p style=";vertical-align:middle"><strong><span style="font-size:13px;font-family: 宋体;color:#333333">� 点：</span></strong></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">1.</span><span style="font-size:13px">机架采用全不锈钢制作、�/span> </p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">2.</span><span style="font-size:13px">线路中设计有</span><span style="font-size:13px;font-family:宋体">WATCHDOG</span><span style="font-size:13px">电路，具有高可性及高抗干扰性能、�/span> </p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">3.</span><span style="font-size:13px">采用低漂移前置放大器和高分辨率低漂移采集芯片、�/span> </p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">4.</span><span style="font-size:13px">数字匕�/span><span style="font-size:13px;font-family:宋体">LED</span><span style="font-size:13px">显示方便直观、�/span> </p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">5.</span><span style="font-size:13px">重量轻，体积小，对实验环境要求低、�/span></p><p style=";vertical-align:middle"><strong><span style="font-size:13px;font-family: 宋体;color:#333333">技术指标：</span></strong></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">1.</span><span style="font-size:13px">工作电源９�/span><span style="font-size:13px;font-family:宋体">220VAC</span></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">2.</span><span style="font-size:13px">温度测量分辨率：</span><span style="font-size:13px;font-family:宋体">0.1</span><span style="font-size:13px;font-family:宋体">ℂ�/span></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">3.</span><span style="font-size:13px">温度测量范围９�/span><span style="font-size:13px;font-family:宋体">-60~100</span><span style="font-size:13px;font-family:宋体">ℂ�/span></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">4.</span><span style="font-size:13px">秒表计时分辨率：</span><span style="font-size:13px;font-family:宋体">1</span><span style="font-size:13px">科�/span></p><p style=";vertical-align:middle"><span style="font-size:13px;font-family:宋体">5.</span><span style="font-size:13px">秒表计时范围９�/span><span style="font-size:13px;font-family:宋体">999</span><span style="font-size:13px">科�/span></p><p><span style="font-size:13px;font-family:宋体">6.</span><span style="font-size:13px">恒流源可调功率范围：</span><span style="font-size:13px;font-family:宋体">0~160W</span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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