目錄:北京澳作生態(tài)儀器有限公司>>植物>> CCM-300葉綠素含量測(cè)量?jī)x
| 參考價(jià) | 面議 |
| 參考價(jià) | 面議 |
更新時(shí)間：2024-10-15 08:38:48瀏覽次數(shù)：1352評(píng)價(jià)
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| 產(chǎn)地類別 | 進(jìn)口 | 價(jià)格區(qū)間 | 面議 |
|---|---|---|---|
| 應(yīng)用領(lǐng)域 | 環(huán)保,農(nóng)林牧漁 |
二原理
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三 特點(diǎn)
Ø 直接算出葉綠素含量mg/m2;
Ø 測(cè)量結(jié)果可靠，不受葉片或樣品大小、厚度和形狀的影響；
Ø 經(jīng)濟(jì)、輕便、手持式設(shè)計(jì)，適合野外使用；
Ø 與化學(xué)測(cè)量結(jié)果高度相關(guān)，即使在高葉綠素含量時(shí)；
Ø 彩色觸摸屏顯示；
Ø 離散的單點(diǎn)測(cè)量和多點(diǎn)(2-30個(gè)樣品)平均值測(cè)量模式；
Ø 非易失性閃存（2GB）；
USB數(shù)據(jù)輸出，可使用Excel打開； |
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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(cè)。
可選配件:
20mm大探頭: 增加測(cè)量面積。 較大的樣本量可能對(duì)某些類型的樣本有用，例如苔蘚
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增長(zhǎng)版葉夾:
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Ø 測(cè)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(duì)葉綠素含量mg· m-2；
Ø 測(cè)量面積：直徑3mm的圓，外徑4mm，但對(duì)直徑小于3mm的樣品也可準(zhǔn)確可靠的測(cè)量；
Ø 分辨率：比值0.01或1 mg· m-2；
Ø 重復(fù)性：依賴于信號(hào)強(qiáng)度，對(duì)信號(hào)強(qiáng)度低的樣品，建議使用多點(diǎn)測(cè)量的平均值，對(duì)信號(hào)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(gè)固態(tài)高感傳感器，提供濾光片。同時(shí)提供兩個(gè)波長(zhǎng)探頭（700nm~710nm，730nm~740nm）；
Ø 檢測(cè)：數(shù)控調(diào)制光，將背景光影響將至低。并對(duì)光源和檢測(cè)器進(jìn)行溫度補(bǔ)償；
Ø 存儲(chǔ)容量：2GB；
Ø 模式：單點(diǎn)測(cè)量，2~30個(gè)點(diǎn)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(dòng)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(cè)量時(shí)間：5秒；
五、產(chǎn)地:美國(guó)
六、參考文獻(xiàn)
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CAM植物 - 仙人掌
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