主要功能

• 可測(cè)熒光誘導(dǎo)曲線并進(jìn)行淬滅分析

• 可測(cè)光響應(yīng)曲線和快速光曲線（RLC）

• 可測(cè)量水樣的下列光合指標(biāo)活性：

•        光合效率和光合速率（相對(duì)電子傳遞速率）

•        藻類的潛在光合效率（“生長(zhǎng)潛能”）

•        藻類的光保護(hù)能力

• 藻類耐受強(qiáng)光的能力

• 51 個(gè)內(nèi)置模式菜單，方便參數(shù)設(shè)置和標(biāo)準(zhǔn)測(cè)量

• 系統(tǒng) I 用于浮游植物研究，系統(tǒng) II 用于大型藻類研究，系統(tǒng) III 用于連續(xù)監(jiān)測(cè)水體光合作用

測(cè)量參數(shù)

Fo, Fm, Fv/Fm, F, Fm’, Fo’, Y(II) 即 ΔF/Fm’, qP, qN, NPQ, ETR 和 PAR 等

應(yīng)用領(lǐng)域

測(cè)量野外自然水樣或?qū)嶒?yàn)室培養(yǎng)的微藻樣品的光合作用，三套系統(tǒng)可供選擇，可應(yīng)用于水生生物學(xué)、水域生態(tài)學(xué)、海洋學(xué)、湖沼學(xué)等領(lǐng)域，檢測(cè)限達(dá) 0.1 μgChl/L。可用于有害藻華的早期預(yù)警。與 PHYTO-PAM 的區(qū)別在于，WATER-PAM 不能進(jìn)行浮游植物分類。

主要技術(shù)參數(shù)

• 測(cè)量光：3 個(gè)波長(zhǎng)為 650 nm 的 LED 陣列。

• 光化光：12 個(gè)波長(zhǎng)為 660 nm 的 LED 陣列，連續(xù)光強(qiáng) 2000 μmol m^-2 s^-1。

• 飽和脈沖：12 個(gè)波長(zhǎng)為 660 nm 的 LED 陣列，閃光強(qiáng)度 4000 μmol m^-2 s^-1。

• 遠(yuǎn)紅光源：3 個(gè)波長(zhǎng)為 740 nm 的 LED 陣列。

• 信號(hào)檢測(cè)：光電倍增管檢測(cè)器（H6779-01，Hamamatsu），過(guò)載保護(hù)功能，檢測(cè)信號(hào) λ > 710 nm。

• 數(shù)據(jù)存儲(chǔ)：CMOS RAM 128 KB，可存儲(chǔ)4000組數(shù)據(jù)。

選購(gòu)指南

系統(tǒng) I（主機(jī) PAM-Control 和激發(fā)-檢測(cè)單元 WATER-ED）， 適合現(xiàn)場(chǎng)采水樣測(cè)量或室內(nèi)微藻測(cè)量
系統(tǒng)II 激發(fā)-檢測(cè)單元 WATER-EDF1.5， 適合大型海藻、附著藻類、水生植物等的測(cè)量	系統(tǒng)III 激發(fā)-檢測(cè)單元 WATER-FT， 適合隨船走航測(cè)量

三套系統(tǒng)的組成比較

系統(tǒng)組成
系統(tǒng)I 浮游植物版			系統(tǒng)II 附著藻類/大型藻類版			系統(tǒng)III 連續(xù)監(jiān)測(cè)版
野外現(xiàn)場(chǎng)或室內(nèi)測(cè)量，樣品為水樣或藻液			野外現(xiàn)場(chǎng)或室內(nèi)測(cè)量，樣品為大型海藻、附著藻類、水生植物、苔蘚、地衣、植物葉片等			野外現(xiàn)場(chǎng)或室內(nèi)測(cè)量，需要抽水上來(lái)，連續(xù)監(jiān)測(cè)光合活性
可選附件 1：攪拌器，對(duì)于易發(fā)生沉降或上浮的樣品非常重要			可選附件 1：平面狀微型光量子探頭，用于測(cè)量樣品接收到的光強(qiáng)
可選附件 2：球狀微型光量子探頭，可放入系統(tǒng) I 的樣品杯中測(cè)量 PAR，也可放入水面下測(cè)量水體光場(chǎng)			可選附件 2：手持式多功能 PAR 輻射儀，用于連接平面狀微型光量子探頭后，進(jìn)行獨(dú)立的光強(qiáng)測(cè)量
可選附件 3：手持式多功能 PAR 輻射儀，用于連接球狀微型光量子探頭后，進(jìn)行獨(dú)立的光強(qiáng)測(cè)量

產(chǎn)地：德國(guó) WALZ

參考文獻(xiàn)

數(shù)據(jù)來(lái)源：光合作用文獻(xiàn) Endnote 數(shù)據(jù)庫(kù)，更新至 2016 年 9 月，文獻(xiàn)數(shù)量超過(guò) 6000 篇

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