<晴风村n style="font-size: 9pt; font-family: 宋体;">用途：<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;"><晴风村n style="color: rgb(207, 3, 0);">晴风村D 502 Plus<晴风村n lang="EN-US" style="font-family: 宋体; color: rgb(207, 3, 0);"><晴风村n lang="EN-US">叶绿素仪<晴风村n style="font-size: 9pt; font-family: 宋体;">可以即时测量植物的叶绿素相对含量或<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">“<晴风村n style="font-size: 9pt; font-family: 宋体;">绿色程度<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">”<晴风村n style="font-size: 9pt; font-family: 宋体;">，从而可以了解植物真实的硝基需求量并且帮助您了解土壤硝基的缺乏程度或是否过多地施加了氮肥。您可以通过这种仪器来增加氮肥的利用率，并可保护环境，防止施加过多的氮肥而使环境特别是水源受到污染。
<晴风村n style="font-size: 9pt; font-family: 宋体;">工作原理：<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;"><晴风村n style="color: rgb(207, 3, 0);">晴风村D 502 Plus<晴风村n lang="EN-US" style="font-family: 宋体; color: rgb(207, 3, 0);"><晴风村n lang="EN-US">叶绿素仪<晴风村n style="font-size: 9pt; font-family: 宋体;">通过测量叶片在两种波长光学浓度差方式<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">650 nm<晴风村n style="font-size: 9pt; font-family: 宋体;">和<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">940 nm<晴风村n style="font-size: 9pt; font-family: 宋体;">来确定叶片当前叶绿素的相对含量。<晴风村n style="font-family: Arial, sans-serif; font-size: 9pt; line-height: 16.5pt; text-align: center;">
<晴风村n style="font-size: 9pt; font-family: 宋体;">技术规格：<晴风村n lang="EN-US" style="font-size: 9pt; font-family: Arial, sans-serif;">
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<晴风村n style="font-size: 9pt; font-family: 宋体;">测量样本<晴风村n lang="EN-US"> |
<晴风村n style="font-size: 9pt; font-family: 宋体;">植物叶片<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">测量系统<晴风村n lang="EN-US"> |
<晴风村n style="font-size: 9pt; font-family: 宋体;">利用两个波长下的光密度差别<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">测量面积<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">2<晴风村n style="font-size: 9pt; font-family: 宋体;">毫米<晴风村n lang="EN-US">×3毫米<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">测量*大厚度<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">1.2<晴风村n style="font-size: 9pt; font-family: 宋体;">毫米<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">叶片插入深度<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">12<晴风村n style="font-size: 9pt; font-family: 宋体;">毫米，深度滑块在<晴风村n lang="EN-US">0~6毫米间可调<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">光源<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">2<晴风村n style="font-size: 9pt; font-family: 宋体;">个<晴风村n lang="EN-US"> LEDs (发光二极管<晴风村n lang="EN-US">) |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">接收器<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">1 SPD<晴风村n style="font-size: 9pt; font-family: 宋体;">（硅光电二极管）<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">屏幕显示<晴风村n lang="EN-US"> |
<晴风村n style="font-size: 9pt; font-family: 宋体;">测量数据：带有小数点的<晴风村n lang="EN-US">4位数，（<晴风村n lang="EN-US">-9.9~199.9步长为<晴风村n lang="EN-US">0.1单位），（<晴风村n lang="EN-US">100~199步长为<晴风村n lang="EN-US">1单位），数据号：<晴风村n lang="EN-US">2位数<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">表示范围<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">-9.9~199 晴风村D<晴风村n style="font-size: 9pt; font-family: 宋体;">单位<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">数据存储<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">30<晴风村n style="font-size: 9pt; font-family: 宋体;">个数据<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">电源<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">2 <晴风村n style="font-size: 9pt; font-family: 宋体;">节<晴风村n lang="EN-US">1.5V AA 碱性电池或碳锌电池<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">电池寿命<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">20000 <晴风村n style="font-size: 9pt; font-family: 宋体;">次以上测量<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">测量的*小间隔<晴风村n lang="EN-US"> |
<晴风村n style="font-size: 9pt; font-family: 宋体;">小于<晴风村n lang="EN-US">2 秒<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">精度<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">±1 晴风村D <晴风村n style="font-size: 9pt; font-family: 宋体;">单位之内（<晴风村n lang="EN-US">晴风村D 值在<晴风村n lang="EN-US">0~50之间时）<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">可重复性<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">±0.3 晴风村D <晴风村n style="font-size: 9pt; font-family: 宋体;">单位之内（<晴风村n lang="EN-US">晴风村D 值在<晴风村n lang="EN-US">0~50之间时）<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">再现性<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">±0.5 晴风村D <晴风村n style="font-size: 9pt; font-family: 宋体;">单位之内<晴风村n lang="EN-US"> (晴风村D 值在<晴风村n lang="EN-US">0~50之间时<晴风村n lang="EN-US">) |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">温度漂移<晴风村n lang="EN-US"> |
<晴风村n style="font-size: 9pt; font-family: 宋体;">少于<晴风村n lang="EN-US">±0.04 晴风村D单位<晴风村n lang="EN-US">/℃ |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">工作环境<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">0~50℃<晴风村n style="font-size: 9pt; font-family: 宋体;">，相对湿度小于<晴风村n lang="EN-US">85%（在<晴风村n lang="EN-US">35℃）非冷凝的环境中<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">存放环境<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">-20~55℃<晴风村n style="font-size: 9pt; font-family: 宋体;">，相对湿度小于<晴风村n lang="EN-US">85%（在<晴风村n lang="EN-US">35℃）非冷凝的环境中<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">尺寸<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">78×164×49<晴风村n style="font-size: 9pt; font-family: 宋体;">毫米（<晴风村n lang="EN-US">W×H×D）<晴风村n lang="EN-US"> |
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<晴风村n style="font-size: 9pt; font-family: 宋体;">重量<晴风村n lang="EN-US"> |
<晴风村n lang="EN-US" style="font-size: 9pt; font-family: 宋体;">225g <晴风村n style="font-size: 9pt; font-family: 宋体;">（不包括电池） |
