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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>技术参数：</span></p><p><span>1<span>、试型号� </span><span>JHF-500</span><span> JHF-800</span><span> JHF-1000</span><span>JHF-1500 </span><span>2<span>、尺寷�/span><span>(D��W��H</span><span>＋�/span><span>mm)</span><span>９�/span><span>800��800��800</span><span> 800��1000��1000</span><span> 1000��1000��1000</span><span>1000��1500��1000</span><span>3<span>、验箱可调温度：</span><span>RT+10℃~75�?</span><span>带温度时需说明</span><span>)</span><span>4<span>、属筛网标准线径</span><span>50um</span><span>5<span>、间标准间距</span><span>75um</span><span>6<span>、石粉用量：</span><span>2Kg/m3-4Kg/m3</span><span>7<span>、尘方向：上吹尘、下吹尘两种</span></p><p><span>砂尘试验箰�/span><span>/</span><span>防尘测试箰�/span></p><p><span>一、产品名称：</span><span>砂尘试验箰�/span><span>/</span><span>防尘测试箰�/span></p><p><span>二、型</span><span>号：</span><span>JH-F</span></p><p><span>三、内箱尺寸：</span><span>800*800*800</span></p><p><span>砂尘试验箰�/span><span>/</span><span>防尘测试箰�/span><span>用途：</span></p><p><span>本试验箱采用人工模拟沙尘环境，来检验试件防尘能力的试验设备，这里主要用于汽车上低压电器、电机、仪器、仪表、灯具的沙尘模拟检测，本设备的基本结构和原理及性能应满足低压电器外壳防护国家标凅�/span><span>GB4208-93</span><span>中有关砂尘试验的技术要求、�/span></p><p><span>砂尘试验箰�/span><span>符合标准</span></p><p><span>GB4208-93 </span><span>�?/span><span>12.4</span><span>咋�/span><span>12.5</span><span>条的要求</span></p><p><span>砂尘试验箰�/span><span>/</span><span>防尘测试箰�/span><span>主要技术参数：</span></p><p><span>1</span><span>、定时范围：</span><span>0-99</span><span>小时</span><span>59</span><span>刅�/span></p><p><span>2</span><span>、定时精度：��</span><span>1</span><span>分钟</span></p><p><span>3</span><span>�?/span><span>灯周期：</span><span>0-99</span><span>小时</span><span>59</span><span>刅�/span></p><p><span>4</span><span>、滑石粉用量９�/span><span>2kg/m3-4kg/m3 </span></p><p><span>5</span><span>、滑石粉规格：能通过筛孔丹�/span><span>75um</span><span>，金属丝直径丹�/span><span>50um</span><span>的方孔筛的干燥滑石粉</span></p><p><span>6</span><span>、气流速度：≤</span><span>2m/s </span></p><p><span>7</span><span>、循环风流：平滑可调并可在工作点连续进行<span>;</span></p><p><span>8</span><span>、壳体材料：不锈钢内胆，外壳静电喷塑</span></p><p><span>9</span><span>、观察窗材料：三层中空钢化玻璂�/span></p><p><span>10</span><span>、额定电压：</span><span>380V/220V</span><span>��</span><span>10%</span><span>＋�/span><span>50HZ</span></p><p><span>企业热线【４００－０２１－５２１７】企业站</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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