冠亚食品水分活度分析�?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><strong><strong>冠亚食品水分活度分析�?/strong></strong></p><p> 为什么要用水分活度仪测量水活性水活性影响物质物理、机械、化学、微生物特性，这些包括流量特性、凝聚、内聚力和静态现象。食物上架寿命、颜色、味道、维生素、成分、香味的稳定性；霉菌的生成和微生物的生长特性都能直接受水活性值影响。水活性是一个直接影响食品保质期的临界因素，温度、pH值和其他一些因素会影响食物中有机体的可能的增长及增长率，然而，水活性通常�?有影响力的一个因素。如果我们能用水分活度仪测出食物中水活性我们就能预知哪种微生物是导致食物的潜在原因，并能分检出来。让我们考虑一下水活性值为0.81的蛋糕，其保质期�?1℃时24天。如果水活性提高到0.85，这些指标将降低�?1℃时12天。这表明是水活性决定了微生物生长率、�/p><p></p><p><strong>深圳冠亚GYW-1<span>食品水分活度分析�?/span>原理</strong></p><p> 冠亚水分活度仪工作原理是把被测样品置于密封的空间内，在保持恒温的条件下，使样品与周围空气的蒸汽压达到平衡，这时就可以以气体空间的水蒸汽压作为样品蒸汽压的数值。同时，在一定温度下纯水的饱和蒸汽压是一定的，所以可以应用上述水分活度定义的公式，计算出被测食品的水分活度、�/p><p><strong><span>深圳冠亚GYW-1</span><span>食品水分活度分析�?/span>技术参�?/strong></p><p>(1) 供电电压：交�?00�?40V(47�?3Hz)</p><p>(2) 工作环境：温�?�?0ℂ�/p><p> 湿度0�?5%RH</p><p>(3) 测量范围：温�?�?0ℂ�/p><p> 活度0.000�?.990 </p><p>(4) 测量精度：温�?#177; 0.2� </p><p> 活度��0.015（@25℃）</p><p>(5) � � 性：�?.015</p><p>(6) 分辨玆� 0.001AW</p><p>(7) 测量时间� 一般样�?0�?5分钟(*长时间为60分钟)</p><p>(8) 测量通道：单通道</p><p>(9) 校准方式: 自动校准(校正值补�? 标准饱和盐溶涱�/p><p>(10) 显示方式：大触摸彩屏800��480 DOTS</p><p>(11) 显示速度：实时显示检测曲纾�/p><p>(12) 操作方式：触摷�/p><p>(13) 输出方式：微型打印机</p><p>(14) 通讯方式:RS232</p><p>(15)� 耗：10�?0W</p><p>(16)外形尺寸�?80��226��120mm</p><p></p><p><strong><span>深圳冠亚GYW-1</span><span>食品水分活度分析�?/span>特点</strong></p><p>可检测各种（固态物、液态物）物�?/p><p>采用高精度进口传感器</p><p>性能稳定，检测精度高</p><p>测量时间短，操作简侾�/p><p>触摸彩屏操作，可自定义屏幕背光亮�?/p><p>多个通道同时测量</p><p>打印输出功能</p><p>曲线绘制功能以及电脑数据采集系统，可供后期数据的比较与分析、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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