主要功能
超輕手持式設計(含葉室和電池1.5Kg)方便野外測量植物的光合作用相關參數
可選擇開路和閉路兩種測量方法;可選擇測量單葉和群體的光合作用
配合環境控制對葉室內的光、溫、水、CO2進行控制,研究相關環境因子與光合、呼吸的關系
自然環境下進行光合和熒光參數同步測量
測量參數:測量單葉或群體的凈光合速率或呼吸速率、蒸騰速率、氣孔導度、胞間CO2濃度及進出葉室的空氣CO2濃度、相對濕度、空氣溫度、葉面溫度、光合有效輻射(PAR)等
環境控制模塊能自動或手動控制葉室中的CO2和H2O濃度、光、溫度
具有*的快速連續光合測量功能(1秒鐘測一組數據)
測量參數
直接測量PAR、CO2、溫度、濕度、穩定流速參數、大氣壓力等參數
凈光合速率、蒸騰速率、氣孔導度、細胞間CO2濃度
與熒光附件連用可以測量熒光參數
與土壤呼吸室連接測量土壤呼吸作用
應用領域
手持式光合作用測量系統CI-340廣泛應用于植物生理學、生態學、農學、林學、園藝等植物相關學科研究,特別適合于在苛刻環境下(如林木冠層、山地環境等)的快速測量;同樣可以應用儲藏加工果品、種子的呼吸、微生物的呼吸、昆蟲呼吸燈相關CO2變化的研究領域。
主要技術參數
主機參數
主機:包括了紅外CO2分析器、濕度傳感器、氣泵、電子流量計、顯示器和鍵盤
顯示器:LCD 40×6字符(320×64像素)
數據存貯:4MB內存,存儲大約160萬個數據
數據傳輸:USB
流速: 100-1000mL/min
工作溫度:0~45℃
工作濕度:5~95%RH(水汽未凝結)
供電:7.2V4400mA時鋰電池,可連續使用4-6小時
重量:1.5kg(含葉室和鋰電池)
體積:44.0×5.5×5cm
CO2傳感器技術參數
分析器:低功耗非擴散時紅外分析器
斬波頻率:1Hz
響應時間:1秒
使用壽命:5000小時
測量范圍:0~2000ppm(標準),0~3000ppm(可選)
分辨率:0.1ppm
重復性:0.1ppm(短期)
精度:<2%
分析器腔室尺寸:100mm×10.5mm(直徑)
濕度傳感器技術參數
類型:濕敏電容
穩定性:精確穩定的測量
測量范圍:0~2*
分辨率:0.1%
精度:在10%RH時,精確度在±2%;在90%時精確度為±3.5 %
PAR傳感器技術參數
類型:使用帶余玄校正濾光片的GaAsP光電池
測量范圍:0~2500μmol/m-2/s-1
響應光譜:400~700nm
精度:±5μmol/m-2/s-1(全范圍內)
氣溫傳感器技術參數
類型:熱電偶
測量范圍:-15~50℃
精度:±0.1℃
葉溫傳感器技術參數
類型:紅外非接觸式
測量范圍:-10~50℃
精度:±0.3℃
選購指南
基本配置
主機、葉室、PAR探頭、紅外葉溫計、堿石灰管、硅膠管、可充電鋰電池、電池充電器、USB數據線纜、說明書、便攜式儀器箱
可選附件
葉綠素熒光部件Junior-PAM 可測光響應曲線和快速光曲線 | 技術參數 測量參數:Fo、Fm、Fv/Fm、Fm’、Fo’、ΔF/Fm’、qP、qL, qN、NPQ 、Y(NPQ)和rETR 等 配備有測量、光化、飽和脈沖光、遠紅外各種光源
| |
光強控制模塊CI-301LA 具有手動和自動控制方式 控制葉室內葉片接受的光照強度 測量不同光強下的光合作用 測量光合作用隨光強變化的響應曲線 | 技術參數 類型:紅藍LED光源 紅光波峰:25℃時660 nm ? 10 nm 藍光波峰:25℃時470 nm ? 10 nm 光強范圍:0~2500 ?mol m-2 s-1 輻照面積:80 x 40 mm 尺寸:64 x 100 x 160 mm | |
CO2/H2O供應模塊CI-301AD 具有手動和自動控制方式 | 技術參數 CO2供應:CO2發生器 | |
溫度控制模塊CI-510CS 測量不同溫度對植物光合作用的影響 | 技術參數 類型:熱電制冷器 范圍:環境溫度?25℃ 制冷頭尺寸:55 x 43 x14 mm 尺寸:64 x 100 x 160 mm | |
熒光控制模塊CI-510CF 與CI-340光合儀連用 可測量暗適應下、光下的熒光參數 同步測量光合-熒光參數 可以單獨進行測量相關熒光參數 | 技術參數 測量光:0.25 ?m 飽和光:3000 ?m 頻率:8-80Hz 光纖:光導纖維 尺寸:64 x 100 x 160 mm | |
前述3種附件可以整合在一起, 如圖所示 CO2/H2O控制模塊CI-301AD 溫度控制模塊CI-510CS供電
| 技術參數 |
葉室類型
葉室類型 | 型號 | 窗口尺寸 | 深度 | 適用對象 |
開路葉室 | ||||
方形葉室 | CI-301LC-1 | 25×25 mm | 10 mm | 6.25cm2寬大葉片 |
寬葉室 | CI-301LC-2 | 55×20 mm | 10 mm | 11 cm2寬大葉片 |
窄葉室 | CI-301LC-3 | 65×10 mm | 10 mm | 6.5 cm2窄長葉片 |
小柱狀葉室 | CI-301LC-4 | 25×90 mm | 25 mm | 22.5 cm2幼苗、簇狀葉/針葉、苔蘚等 |
大柱狀葉室 | CI-301LC-5 | 50×70 mm | 50 mm | 35 cm2大幼苗、擬南芥、針葉、苔蘚、昆蟲等 |
仙人掌葉室 | CI-301LC-11 | 仙人掌或肉質植物 | ||
閉路葉室 | ||||
1/4升葉室 | CI-301LC-7 | 104×33 mm | 73 mm | 0.2505L枝條、小型植株(單株)、幼苗等 |
1/2升葉室 | CI-301LC-8 | 89×66 mm | 86 mm | 0.5052L枝條、小型植株(單株)、幼苗等 |
1升葉室 | CI-301LC-9 | 112×90 mm | 99 mm | 1.0090L枝條、小型植株(多株)、幼苗等 |
4升葉室 | CI-301LC-10 | 180×130 mm | 170 mm | 3.9780L群體測量 |
土壤呼吸室 | CI-301SR | 直徑100 mm | 100 mm | 面積73.4cm2 ,呼吸室0.634 L;10mm深0.580 L |
群體葉室接口 | CI-301CC | 直徑76 mm | 連接自制群體光合室 |
產地:美國CID
參考文獻
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