Picarro G2508 CO2 CH4 N2O NH3 H2O分析�?参数-价格-中国粉体罐�/title>

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H<sub>2</sub>O分析仪基于第五代光腔衰荡光谱技术，利用近红外激光，以ppb级的超高灵敏度和极低的漂移同步测量大气中CO<sub>2</sub> CH<sub>4</sub> N<sub>2</sub>O NH<sub>3</sub>和H<sub>2</sub>O浓度，更优的性能使得分析仪可被用于差异极小的量差测量，哪怕是极微小的通量测量，也应对自如，常见的应用有土壤呼吸测量、水通量测量等。作为一款全新的土壤呼吸分析测量系统，该分析仪配备精密的温度和压力控制系统，确保在不断变化的环境条件下获得更高的精确度和准确性，确保仪器能非常长的测量周期内无需校准、�/p><p> 分析仪同时输出自然态气体参数和当时水汽浓度下的摩尔干值，配备干扰检测标记的软件。无论是青藏高原的土壤通量测量，还是海洋船只上的原位测量，事实证明本款仪器出色的野外应用能力、�/span></p><p><span><strong>技术原琅�/strong></span></p><p>第五代光腔衰荡光谱技�?/p><p><strong><span>主要特点</span></strong></p><p>� 高精度测量腔室体积：30mL</span></p><p><span>� </span>同步测量N<sub>2</sub>O� CH<sub>4</sub>� CO<sub>2</sub>� NH<sub>3</sub>和H<sub>2</sub>O</p><p>� PPB级精度带来更优的量差测量</p><p>� 快速的响应时间和连续测量提供高时间分辨率的数据</p><p>� 易于和呼吸叶室等通量系统整合，是被验证过的平�?/p><p>� 自动计算和输出无水摩尔量</span></p><p><span><strong></strong></span></p><p><span><strong>性能指标</strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span><strong>性能指标</strong></span></td><td><span><strong>CO<sub>2</sub></strong></span></td><td><span><strong>CH<sub>4</sub></strong></span></td><td><span><strong>N<sub>2</sub>O</strong></span></td><td><span><strong>NH<sub>3</sub></strong></span></td><td><span><strong>H<sub>2</sub>O</strong></span></td></tr><tr><td><span><strong>精度(初始精， 1)</strong></span></td><td><span> �?00ppb</p><p> +0.05%读数</span></td><td><span> �?0ppb</p><p> +0.05%读数</span></td><td><span> �?5ppb</p><p> +0.05%读数</span></td><td><span> �?ppb</p><p> +0.05%读数</span></td><td><span> 500ppm</span></td></tr><tr><td><span><strong>精度(1min� 1)</strong></span></td><td><span> �?00ppb</p><p> +0.05%读数</span></td><td><span> �?ppb</p><p> +0.05%读数</span></td><td><span> �?0ppb</p><p> +0.05%读数</span></td><td><span> �?ppb</p><p> +0.05%读数</span></td><td><span> 250ppm</span></td></tr><tr><td><span><strong>精度(5min� 1)</strong></span></td><td><span> �?00ppb</p><p> +0.05%读数</span></td><td><span> �?ppb</p><p> +0.02%读数</span></td><td><span> �?ppb</p><p> +0.008%读数</span></td><td><span> �?ppb</p><p> +0.05%读数</span></td><td><span> 100ppm</span></td></tr><tr><td><span><strong>确保精度范围</strong></span></td><td><span> 350~5000ppm</span></td><td><span> 1.5~12ppm</span></td><td><span> 0.25~200ppm</span></td><td><span> 0~300ppb</span></td><td><span> 0~3%</span></td></tr><tr><td><span><strong>测量范围</strong></span></td><td><span> 0.015~2%</span></td><td><span> 0.45~15ppm</span></td><td><span> 0~400ppm</span></td><td><span> 0~2ppm</span></td><td><span> 0~7%</span></td></tr><tr><td><span><strong>测量速率</strong></span></td><td><span> �?s</span></td><td><span> �?s</span></td><td><span> �?s</span></td><td><span> �?s</span></td><td><span> �?s</span></td></tr><tr><td><span><strong>响应时间�?0-90%/90-10%（�/strong></span></td><td><span> ~7s</span></td><td><span> ~7s</span></td><td><span> ~7s</span></td><td><span> 见备�?/span></td><td><span> ~7s</span></td></tr><tr><td><span><strong>摩尔量（干值）</strong></span></td><td><span> Yes</span></td><td><span> Yes</span></td><td><span> Yes</span></td><td><span> No</span></td><td><span> N/A</span></td></tr></tbody></table><p><span><strong>备注９�/strong>由于实验装置表面吸附的限制，仪器对H<sub>2</sub>O和NH<sub>3</sub>的响应受到影响。但是仪器可以准确测量在腔室内测量来自土壤呼吸的H<sub>2</sub>O和NH<sub>3</sub><sub>＋�/sub>并计算准确的土壤呼吸通量、�/span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span><strong>取样温度</strong></span></td><td><span> -10 ~ 45 C</span></td><td><span><strong>温度控制精度</strong></span></td><td><span>0.005ℂ�/span></td></tr><tr><td><span><strong>环境湿度</strong></span></td><td><span> �?9% R.H，无冷凝</span></td><td><span><strong>压力控制精度</strong></span></td><td><span>0.0002atm</span></td></tr><tr><td><span><strong>取样压力</strong></span></td><td><span> 300-1000Torr�?0-133kPa（�/span></td><td><span><strong>闭路循环系统</strong></span></td><td><span> 兼容其他设备</span></td></tr><tr><td><span><strong>取样流逞�/strong></span></td><td><span> ~230mL/min@760Torr，无需过滤</span></td><td><span><strong>� 野�/strong></span></td><td><span> 29Kg（包括外置泵（�/span></td></tr><tr><td><span><strong>� 耖�/strong></span></td><td><span> 100-240 VAC，启动时�?50W；稳定后：分析仪110 W，泵35 W</span></td><td><span><strong>� 寷�/strong></span></td><td><span> 分析仪：45x18x 46cm：�/p><p> 外置泵：20 x 11 x 28 cm</span></td></tr></tbody></table><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span><strong>CO<sub>2</sub></strong></span></td><td><span> 无干扰：自动校准�?0000ppm</span></td><td><span><strong>乙烷</strong></span></td><td><span> 0.2 ppb N<sub>2</sub>O / ppm C<span>2</span>H<sub>6</sub>测试�?20ppm</span></td></tr><tr><td><span><strong>CH<sub>4</sub></strong></span></td><td><span> 无干扰：自动校准�?00ppm</span></td><td><span><strong>乙烯</strong></span></td><td><span> 0.5 ppb N<span>2</span>O / ppm C<span>2</span>H<sub>6</sub>测试�?6ppm</span></td></tr><tr><td><span><strong>NH<sub>3</sub></strong></span></td><td><span> 无干扰：自动校准�?ppm</span></td><td><span><strong>乙炔</strong></span></td><td><span> 不供使用</span></td></tr><tr><td><span><strong>软件</strong></span></td><td><span> 检测和标记光谱干扰的数�?/span></td><td><span><strong>背景氓�/strong></span></td><td><span> 大气应用，非高度变化或富集的N<sub>2</sub>� O<sub>2</sub>� H<sub>2</sub>� He</span></td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); 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