水样荧光仪Water-PAM

利用调制叶绿素荧光技术，测量野外自然水体或培养的微藻样品的光合作用（叶绿素荧光诱导加淬灭分析、光响应曲线等），也可测量叶绿素含量，是进行野外光合作用研究的良好工具。除了测浮游植物外，可扩展探头测量附着藻类或大型藻类。除了取水样到样品杯中测量外，可扩展探头进行水下原位、连续测量，特别适合于连续监测海洋、湖泊、水库、河流等水体的叶绿素含量以及光合活性。

主要功能
1）可测荧光诱导曲线并进行淬灭分析
2）可测光响应曲线和快速光曲线（RLC）
3）可测水样的叶绿素a浓度
4）可测量水样的下列光合指标活性：
* 光合效率和光合速率（相对电子传递速率）
* 藻类的潜在最大光合效率（“生长潜能”）
* 藻类的光保护能力
* 藻类耐受强光的能力
5）51个内置模式菜单，方便参数设置和标准测量
6）系统I用于浮游植物研究，系统II用于大型藻类研究，系统III用于连续监测水体光合作用

应用领域
测量野外自然水样或实验室培养的微藻样品的光合作用，三套系统可供选择，可应用于水生生物学、水域生态学、海洋学、湖沼学等领域，检测限达0.1 μgChl/L。可用于有害藻华的早期预警。与PHYTO-PAM的最大区别在于，WATER-PAM不能进行浮游植物分类。

测量参数
Fo, Fm, Fv/Fm, F, Fm', Fo', Y(II)=ΔF/Fm', qP, qN, NPQ, ETR,alpha,ETRmax, Ik, PAR和Chla含量等

主要技术参数
测量光：3个波长为650 nm的LED阵列
光化光：12个波长为660 nm的LED阵列，最大连续光强2000 μmol m^-2 s^-1。
饱和脉冲：12个波长为660 nm的LED阵列，最大闪光强度4000 μmol m^-2 s^-1。
信号检测：光电倍增管检测器（H6779-01，Hamamatsu），过载保护功能，检测信号λ>710 nm。
数据存储：CMOS RAM 128 KB，可存储4000组数据。

	系统组成
系统I 浮游植物版	系统II 附着藻类/大型藻类版	系统III 连续监测版
野外现场自然水体的光合作用检测、叶绿素含量测定；室内培养的微藻样品的生理特性研究等。	野外现场附着藻类（如底泥中的藻类）、大型海藻的光合活性测量；室内大型海藻生理特性研究。	野外现场水体光合活性监测、叶绿素含量的连续测定。
可选附件1：搅拌器，可置于系统I的上部对水样进行搅拌，带内置电池
可选附件2：球状微型光量子探头，可放入系统I的样品杯中测量PAR

部分文献

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