四 組成

主機、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)：葉綠素熒光比率——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的樣品也可準確可靠的測量；

Ø 分辨率：比值0.01或1 mg· m^-2；

Ø 重復性：依賴于信號強度，對信號強度低的樣品，建議使用多點測量的平均值，對信號強度高的樣品，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行溫度補償；

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

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CAM植物 - 仙人掌

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