四 組成

主機(jī)、光纖樣品夾、電池充電器、4節(jié)AA鎳氫充電電池、USB通訊纜線、使用手冊。

可選配件:

20mm大探頭: 增加測量面積。 較大的樣本量可能對某些類型的樣本有用，例如苔蘚

增長版葉夾:

Ø 測量參數(shù)：葉綠素?zé)晒獗嚷?/span>——發(fā)射熒光在735nm/700nm的比值（CFR），或相對葉綠素含量mg· m^-2；

Ø 測量面積：直徑3mm的圓，外徑4mm，但對直徑小于3mm的樣品也可準(zhǔn)確可靠的測量；

Ø 分辨率：比值0.01或1 mg· m^-2；

Ø 重復(fù)性：依賴于信號強(qiáng)度，對信號強(qiáng)度低的樣品，建議使用多點測量的平均值，對信號強(qiáng)度高的樣品，差異通常為±0.03或更低；。

Ø 噪聲：<±0.02；

Ø 光源：LED 460 nm藍(lán)光二極管，半峰寬15 nm；

Ø 探頭：兩個固態(tài)高感傳感器，提供濾光片。同時提供兩個波長探頭（700nm~710nm，730nm~740nm）；

Ø 檢測：數(shù)控調(diào)制光，將背景光影響將至低。并對光源和檢測器進(jìn)行溫度補(bǔ)償；

Ø 存儲容量：2GB；

Ø 模式：單點測量，2~30個點去平均值，去除2σ區(qū)間外的平均值，或者中位數(shù)；

Ø 樣品接口：光纖傳感器，直徑4mm；

Ø 用戶界面：240 × 320 像素彩色觸摸屏；

Ø 輸出：USB 1.1；

Ø 溫度范圍：0~50 ℃；

Ø 電源：2節(jié)充電AA電池；

Ø 自動關(guān)閉間隔：（無按鍵或下載）0~20分鐘可選；

Ø 大?。?/span>12 cm × 9 cm × 3 cm；

Ø 重量：0.16lbs 275g；

Ø 測量時間：5秒；

五、產(chǎn)地:美國

六、參考文獻(xiàn)

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Erin E. Shortlidge, Sarah M. Eppley, Hans Kohler, Todd N. Rosenstiel, Gustavo E. Zúñiga, Angélica

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Tapani Repo, Samuli Launiainen, Tarja Lehto, Sirkka Sutinen, Hanna Ruhanen, Juha Heiskanen, Ari Laurén,

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挪威云杉和蘇格蘭松樹苗

Johanna Riikonen, Nelli Kettunen, Maria Gritsevich, Teemu Hakala, Liisa Särkkä, Risto Tahvonen, (2016)

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Anshu Rastogi, Marcin Stró?eckia, Hazem M. Kalaji, Dominika ?uców de Mariusz, Lamentowicz, Rados?aw

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of peatland vegetation Environmental and Experimental Botany Volume 160, April 2019, Pages 71-80

CAM植物 - 仙人掌

Kudakwashe Musengi (2018) THE BIOLOGICAL CONTROL OF CACTI (CACTACEAE: OPUNTIOIDEAE)

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