主要功能
超轻手持式设计(含叶室和电池1.5Kg)方便野外测量植物的光合作用相关参数
可选择开路和闭路两种测量方法;可选择测量单叶和群体的光合作用
配合环境控制对叶室内的光、温、水、CO2进行控制,研究相关环境因子与光合、呼吸的关系
自然环境下进行光合和荧光参数同步测量
测量参数:测量单叶或群体的净光合速率或呼吸速率、蒸腾速率、气孔导度、胞间CO2浓度及进出叶室的空气CO2浓度、相对湿度、空气温度、叶面温度、光合有效辐射(PAR)等
环境控制模块能自动或手动控制叶室中的CO2和H2O浓度、光、温度
具有独特的快速连续光合测量功能(1秒钟测一组数据)
测量参数
直接测量PAR、CO2、温度、湿度、稳定流速参数、大气压力等参数
净光合速率、蒸腾速率、气孔导度、细胞间CO2浓度
与荧光附件连用可以测量荧光参数
与土壤呼吸室连接测量土壤呼吸作用
应用领域
手持式光合作用测量系统CI-340广泛应用于植物生理学、生态学、农学、林学、园艺等植物相关学科研究,特别适合于在苛刻环境下(如林木冠层、山地环境等)的快速测量;同样可以应用储藏加工果品、种子的呼吸、微生物的呼吸、昆虫呼吸灯相关CO2变化的研究领域。
主要技术参数
主机参数
主机:包括了红外CO2分析器、湿度传感器、气泵、电子流量计、显示器和键盘
显示器:LCD 40×6字符(320×64像素)
数据存贮:4MB内存,存储大约160万个数据
数据传输:USB
流速: 100-1000mL/min
工作温度:0~45℃
工作湿度:5~95%RH(水汽未凝结)
供电:7.2V4400mA时锂电池,可连续使用4-6小时
重量:1.5kg(含叶室和锂电池)
体积:44.0×5.5×5cm
CO2传感器技术参数
分析器:低功耗非扩散时红外分析器
斩波频率:1Hz
响应时间:1秒
使用寿命:5000小时
测量范围:0~2000ppm(标准),0~3000ppm(可选)
分辨率:0.1ppm
重复性:0.1ppm(短期)
精度:<2%
分析器腔室尺寸:100mm×10.5mm(直径)
湿度传感器技术参数
类型:湿敏电容
稳定性:精确稳定的测量
测量范围:0~2100%
分辨率:0.1%
精度:在10%RH时,精确度在±2%;在90%时精确度为±3.5 %
PAR传感器技术参数
类型:使用带余玄校正滤光片的GaAsP光电池
测量范围:0~2500μmol/m-2/s-1
响应光谱:400~700nm
精度:±5μmol/m-2/s-1(全范围内)
气温传感器技术参数
类型:热电偶
测量范围:-15~50℃
精度:±0.1℃
叶温传感器技术参数
类型:红外非接触式
测量范围:-10~50℃
精度:±0.3℃
选购指南
基本配置
主机、叶室、PAR探头、红外叶温计、碱石灰管、硅胶管、可充电锂电池、电池充电器、USB数据线缆、说明书、便携式仪器箱
可选附件
叶绿素荧光部件Junior-PAM 可测光响应曲线和快速光曲线 | 技术参数 测量参数:Fo、Fm、Fv/Fm、Fm’、Fo’、ΔF/Fm’、qP、qL, qN、NPQ 、Y(NPQ)和rETR 等 配备有测量、光化、饱和脉冲光、远红外各种光源
| |
光强控制模块CI-301LA 具有手动和自动控制方式 控制叶室内叶片接受的光照强度 测量不同光强下的光合作用 测量光合作用随光强变化的响应曲线 | 技术参数 类型:红蓝LED光源 红光波峰:25℃时660 nm 10 nm 蓝光波峰:25℃时470 nm 10 nm 光强范围:0~2500 mol m-2 s-1 辐照面积:80 x 40 mm 尺寸:64 x 100 x 160 mm | |
CO2/H2O供应模块CI-301AD 具有手动和自动控制方式 | 技术参数 CO2供应:CO2发生器 | |
温度控制模块CI-510CS 测量不同温度对植物光合作用的影响 | 技术参数 类型:热电制冷器 范围:环境温度25℃ 制冷头尺寸:55 x 43 x14 mm 尺寸:64 x 100 x 160 mm | |
荧光控制模块CI-510CF 与CI-340光合仪连用 可测量暗适应下、光下的荧光参数 同步测量光合-荧光参数 可以单独进行测量相关荧光参数 | 技术参数 测量光:0.25 m 饱和光:3000 m 频率:8-80Hz 光纤:光导纤维 尺寸:64 x 100 x 160 mm | |
前述3种附件可以整合在一起, 如图所示 CO2/H2O控制模块CI-301AD 温度控制模块CI-510CS供电
| 技术参数 |
叶室类型
叶室类型 | 型号 | 窗口尺寸 | 深度 | 适用对象 |
开路叶室 | ||||
方形叶室 | CI-301LC-1 | 25×25 mm | 10 mm | 6.25cm2宽大叶片 |
宽叶室 | CI-301LC-2 | 55×20 mm | 10 mm | 11 cm2宽大叶片 |
窄叶室 | CI-301LC-3 | 65×10 mm | 10 mm | 6.5 cm2窄长叶片 |
小柱状叶室 | CI-301LC-4 | 25×90 mm | 25 mm | 22.5 cm2幼苗、簇状叶/针叶、苔藓等 |
大柱状叶室 | CI-301LC-5 | 50×70 mm | 50 mm | 35 cm2大幼苗、拟南芥、针叶、苔藓、昆虫等 |
仙人掌叶室 | CI-301LC-11 | 仙人掌或肉质植物 | ||
闭路叶室 | ||||
1/4升叶室 | CI-301LC-7 | 104×33 mm | 73 mm | 0.2505L枝条、小型植株(单株)、幼苗等 |
1/2升叶室 | CI-301LC-8 | 89×66 mm | 86 mm | 0.5052L枝条、小型植株(单株)、幼苗等 |
1升叶室 | CI-301LC-9 | 112×90 mm | 99 mm | 1.0090L枝条、小型植株(多株)、幼苗等 |
4升叶室 | CI-301LC-10 | 180×130 mm | 170 mm | 3.9780L群体测量 |
土壤呼吸室 | CI-301SR | 直径100 mm | 100 mm | 面积73.4cm2 ,呼吸室0.634 L;10mm深0.580 L |
群体叶室接口 | CI-301CC | 直径76 mm | 连接自制群体光合室 |
产地:美国CID
参考文献
原始数据来源:Google Scholar
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