LI-191R棒状光合有效辐射传感�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><strong>LI-191R棒状光合有效辐射传感�?/strong></strong>测量1米长范围内的PAR，主要应用在空间光照不一致的环境中（如植物的树冠内部）。LI-191R测量冠层下这类环境，能够快速一致地测出多样点数据。测量结果数据是PPFD，单位为��mol��s<sup>-1</sup>��m<sup>-2</sup>、�/p><p><span><strong>工作原理</strong></span></p><p> LI-191R使用一根扩散器下的石英棒，长度�?米长，感�?米范围内的光线并将响应信号输出给硅光电二极管。由于LI-191R的扩散器是一个连续的完整元件，其输出信号是整合了�?米范围内无数个点的光照情况，代表�?米长范围内的平均PAR。滤波器很好地阻挡了700nm以上的光，这对研究植被下的光照很关键，因为植被下红外辐射相对于可见光辐射来说很高。LI-191R独特的设计使该传感器具有很好的量子响应，非常接近理想值、�/p><p><strong><span>主要优点</span></strong></p><p> 感应波长�?00�?00nm</p><p> 测量结果�?米范围内光合有效辐射的平均值，可以将实验误�?小化</p><p> 单人即可在短时间内完成多次测野�/p><p> 升级的防水性能，适合野外长期安放</p><p> 美国国家生态观测网(NEON<sup><sup>?</sup>)</sup>)选用，用于整合PAR测量</p><p><span><strong>技术参�?/strong></span></p><p><strong></strong></p><p><strong><span>**校准９�/span></strong><span>�� 10% ，NIST可追�?/span></p><p><strong><span>灵敏度：</span></strong><span>7��A / 1000 ��mol��s<sup>-1</sup>��m<sup>-2</sup>（典型）</span></p><p><strong><span>线性率９�/span></strong><span>**偏差�?%�?0�?00 ��mol s<sup>-1</sup> m<sup>-2</sup>以内（�/span></p><p><strong><span>响应时间９�/span></strong><span>10 ��s.</span></p><p><strong><span>温度相关９�/span></strong><span>不超�?#177;0.15%/ℂ�/span></p><p><strong><span>余弦校正９�/span></strong><span>丙烯酸漫射器余弦校正</span></p><p><strong><span>方位角误差：</span></strong><span>�?5��仰角时，360��方位角范围内的误�?��2%</span></p><p><strong><span>长度方向灵敏度变异：</span></strong><span><�� 7%(� 2.54cm宽的白炽灯光源下测得)</span></p><p><strong><span>感应面积９�/span></strong><span>1m ��12.7 mm</span></p><p><strong><span>工作环境９�/span></strong><span>?40~65℃，0~95%RH（非冷凝（�/span></p><p><strong><span>检测器９�/span></strong><span>高稳定性硅光伏检测器（蓝光加强）</span></p><p><strong><span>传感器基座：</span></strong><span>阳极铝防水外壳带丙烯酸漫射器，不锈钢螺丝</span></p><p><strong><span>尺寸９�/span></strong><span>121.3 L��2.54 W��2.54 D cm </span></p><p><strong><span>重量９�/span></strong><span>1.4 kg</span></p><p><strong><span>缆线长度９�/span></strong><span>2m� 5m</span></p><p><strong><span>选配</span></strong>:<span>详情请前往力高泰官网ecotek.com.cn/</span>LI-191R</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p></p></td><td><p></p></td><td><p></p></td></tr><tr><td><p>LI-1500光照数据采集�?/p></td><td><p>LI-250A读表</p></td><td><p>毫伏适配�?/p></td></tr></tbody></table><p><span><strong>产地与厂家：美国</strong><strong>LI-COR</strong><strong>公司</strong></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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