塔式紫外线老化试验�?参数-价格-中国粉体罐�/title>

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<p><strong><span>本试验箱可满足：塑料实验室光源暴露试验方泔�/span></strong><strong></strong></p><p><span>荧光紫外�?/span>GB/T16422.3-1997</span></p><p><span>荧光紫外�?/span>ISO 4892-3:2006</span></p><p><span>汽车外饰材料</span>UV<span>快速老化测试</span><span>SAE J2020:2003</span></p><p><span>塑料紫外光暴露试验方泔�/span>ASTM D4329-05</span></p><p><strong></strong></p><p><span>一�?/span><strong><span>产品概述９�/span></strong><strong></strong></p><p><span>本产品采用佳模拟阳光中Ｕ</span>V<span>段光谱的荧光紫外灯，并结合控温、供湿等装置来模拟对材料造成变色、亮度、强度下降、开裂、剥落、粉化、氧化等损害的阳光（</span><span>U</span><span>Ｖ段）高温、高湿、凝露、黑暗淋雨周期等因素，同时通过紫外光与湿气之间的协同作用使得材料单一耐光能力或单一耐湿能力减弱或失效，从而广泛用于对材料耐气候性能的评价，设备具有提供好的阳光Ｕ模 拟，使用维护成本低廉，易于使用，设备采用控制自动运行，试验周期自动化程度高，灯光稳定性好，试验结果重现率高等特点、�/span></p><p><span>二�?/span><strong><span>结构与材�?/span></strong><strong></strong></p><p><span>1<span>、试验箱空间９�/span><span>450</span><span>��</span><span>1170</span><span>��</span><span>500mm</span></p><p><span>2<span>、外形尺寸：</span><span>550</span><span>��</span><span>1300</span><span>��</span><span>1480mm</span></p><p><span>3<span>、机组材质：内外</span><span>304</span><span>不锈� </span></p><p><span>4<span>、试样架：铝合金框式基架视板</span></p><p><span>5<span>、辐照灯管：</span><span>UVA-340 (8</span><span>支每靡�/span><span>4</span><span>支共</span><span>2</span><span>靡�/span><span>) </span></p><p><span>6<span>、外材质</span><span>:</span><span>高级拉丝不锈钡�/span></p><p><span>7<span>、内材质</span><span>:304</span><span>镜面不锈钡�/span><strong></strong></p><p><strong><span>三�?/span></strong><strong><span>技术参�?/span></strong><strong></strong></p><p><span>1<span>、温度范围：</span><span>RT+10</span><span>ℂ�/span><span>~70</span><span>ℂ�/span></p><p><span>2<span>、湿度范围：�?/span><span>90%RH</span></p><p><span>3<span>、温度均匀度：��</span><span>2</span><span>ℂ�/span></p><p><span>4<span>、温度波动度�?#177;</span><span>0.5</span><span>ℂ�/span></p><p><span>5<span>、灯管内中心距离９�/span><span>70mm </span></p><p><span>6<span>、测试品与灯管的中心距离９�/span><span>50</span><span>��</span><span>3mm</span></p><p><span>7<span>、辐照度９�/span><span>1.0W/m2</span><span>内可谂�/span></p><p><span>8<span>、光照、冷凝、喷淋试验周期可� </span></p><p><span>9<span>、灯管：</span><span>L=1200</span><span>＋�/span><span>8</span><span>支（</span><span>UVA/UVB</span><span>使用寿命</span><span>1600h</span><span>以上（�/span></p><p><span>10<span>、控制仪：彩色触摸屏韩国＇�/span><span>TEMI880</span><span>（�/span></p><p><span>11<span>、控温方式：</span><span>PID</span><span>自整</span><span>SSR</span><span>控制</span></p><p><span>12<span>、标准试件尺寸：</span><span>75</span><span>��</span><span>290mm</span></p><p><span>13<span>、水槽水深：</span><span>25mm</span><span>自动控制</span></p><p><span>14<span>、有效辐照区域：</span><span>900</span><span>��</span><span>210mm</span></p><p><span>15<span>、紫外线波长９�/span><span>UVA</span><span>范围丹�/span><span>315-400nm</span></p><p><span>16<span>、试验时间：</span><span>0~999H</span><span>（可调）</span></p><p><span>17<span>、辐照黑板温度：</span><span>50</span><span>ℂ�/span><span>~80</span><span>ℂ�/span></p><p><span>18<span>、标准样品架９�/span><span>24</span><span>仗�/span></p><p><span>19<span>、机组具有自动喷淋功胼�/span></p><p><strong><span>四、结构说明：</span></strong><strong></strong></p><p><span>1<span>、箱体采用数控设备制作、工艺先进、线条流畅、美观大斸�/span></p><p><span>2<span>、箱体材质为</span><span>304SUS</span><span>高级不锈钡�/span></p><p><span>3<span>、箱内风道采用单循环系统、有一只进口轴流风机、提高了空气的流亮、加热的能力、大幅度的改善了试验箱内的温度均匀�?/span></p><p><span>4<span>、灯管寿命：</span><span>1600h</span><span>以上</span></p><p><span>5<span>、水源及耗量：蒸馏水�?/span><span>8</span><span>卆�/span><span>/</span><span>�?/span></p><p><span>6<span>、加热方式为内胆水槽式加热、升温快、温度分布均匀</span></p><p><span>7<span>、箱盖为双向翻盖式、关闭轻松自妁�/span></p><p><span>8<span>、内胆水位自动补水、防止加热管空烧损坏</span></p><p><span>9<span>、试样架由不锈钢或铝合金制成</span></p><p><span>10<span>、机组底部采用高质量</span><span>PU</span><span>活动轮固宙�/span></p><p><span>11<span>、排水系统使�?/span><span>U</span><span>型积沉装置排氳�/span></p><p><span>12<span>、试样品表面与紫外灯平面相平衋�/span></p><p><span>13<span>、喷淋系统内部安装有自动喷头、水压可谂�/span><strong></strong><strong></strong></p><p><strong><span>五。安全保护装�?/span></strong><strong></strong></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>1<span>、接地保抣�/span></p></td><td><p><span>2<span>、电源超载短路断路器</span></p></td></tr><tr><td><p><span>3<span>、控制回路超载、短路熔断器</span></p></td><td><p><span>4<span>、缺水保抣�/span></p></td></tr><tr><td><p><span>5<span>、超 � � 抣�/span></p></td><td></td></tr></tbody></table><p><strong><span>�?/span></strong><strong><span>.</span></strong><strong><span>紫外光：</span></strong><strong></strong></p><p><span>一级的光学反应对温度变化并不敏感，然而，随之而来的二级反应的速度则和温度变化紧密相关。一般来说，随着温度升高，反应速度会加快，因此，在</span>UV<span>暴晒试验过程中，温度控制就显得很重要，更重要的是要将加速试验所采用的试验温度与材料在实际应用中遭遇的高温度相匹配。在设备�?/span><span>UV</span><span>过程的温度设置为</span><span>50</span><span>ℂ�/span><span>~70</span><span>℃中的任何一点，具体取决于光照度水平和室内环境气温。设备的温度调节是通过具有微电脑演算功能的控制器来指挥设备内的空气加热器、水加热器等一系列系统来完成、�/span></p><p><strong><span>七．</span></strong><strong><span>湿气９�/span></strong><strong></strong></p><p><span>随着温度的提高，潮湿对材料的破坏力会急剧增加。因此在潮湿过成中，温度控制是基本的要求。更进一步说，要产生加速效果就是要求在潮湿过程中保持高温环境。所以在冷凝过程的温度设置为</span>40<span>ℂ�/span><span>~60</span><span>℃中的任何一点、�/span></p><p><strong><span>�?/span>.<span>加热系统</span></strong><strong></strong></p><p><span>1<span>、采�?/span><span>U</span><span>型钛合金高速加温电热管</span></p><p><span>2<span>、温度控制与光照完全独立系统</span></p><p><span>3<span>、温度控制输出功率均由微电脑演算，以达高精度及高效率之用电效盉�/span></p><p><span>4<span>、加热系统具有防超温功能９�/span></p><p><span>5.<span>黑板温度采用彩色触摸屏程控仪、输出功率均由微电脑演算＋�/span><span>PID</span><span>自整定，监控采用标准皃�/span><span>PT100</span><span>黑板温度传感器、�/span></p><p><span>6.<span>水槽温度采用彩色触摸屏程序韩国温控仪控制加热，水槽位于箱体下部，内置电加热水器。在测试过程中，有一个测试段是黑暗凝露过程，它需要箱体内能产生较高温度的饱和水蒸气，当水蒸气遇到相对较冷的样板表面时，会在样板表面凝结露水、�/span></p><p><strong></strong></p><p><strong><span>乜�/span></strong><strong><span>.</span></strong><strong><span>喷淋系统</span></strong><strong></strong></p><p><span>1.<span>喷淋均淋性调芁�/span><span>.</span><span>利用控制器的人工控制功能</span><span>.</span><span>在开门状态观察喷淋状冴�/span><span>.</span></p><p><span>2<span>喷淋状态监控：机器配备了喷淋装�?/span><span>.</span><span>喷淋装置模拟下雨时的温度剧变和雨水侵蚀</span><span>.</span><span>共有若干喷嘴。喷淋均匀</span><span>.</span><span>什么时候喷淋。喷淋多乄�/span><span>.</span><span>都由客户自由设置</span><span>. 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