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In situ monitor of algae community and chlorophyll concentration in water

The in situ monitoring instrument for algae community and chlorophyll concentration in water body is the first in the world to realize the classification and measurement of algae by using discrete three-dimensional fluorescence spectroscopy. Using discrete three-dimensional fluorescence spectrum contains the rich algae pigments "fingerprint" information, combined with aliasing fluorescence spectrum analysis method, realize the advantage of diatoms, dinoflagellates, green algae, and other Marine algae accurate identification and accurate quantitative measurement of chlorophyll concentration, algae community is rapid in situ monitoring of advanced tools, community recognition accuracy and chlorophyll concentration is obviously better than the accuracy of quantitative international similar instruments.

Key words: waste gas

Product Description

In situ monitor of algae community and chlorophyll concentration in water

Product introduction

The in situ monitoring instrument for algae community and chlorophyll concentration in water body is the first in the world to realize the classification and measurement of algae by using discrete three-dimensional fluorescence spectroscopy. Using discrete three-dimensional fluorescence spectrum contains the rich algae pigments "fingerprint" information, combined with aliasing fluorescence spectrum analysis method, realize the advantage of diatoms, dinoflagellates, green algae, and other Marine algae accurate identification and accurate quantitative measurement of chlorophyll concentration, algae community is rapid in situ monitoring of advanced tools, community recognition accuracy and chlorophyll concentration is obviously better than the accuracy of quantitative international similar instruments.

 

Product application

The in situ monitoring instrument for algae community and chlorophyll concentration in water has participated in the comparison test of foreign instruments organized by third parties for many times in the typical waters of Bohai Bay, East China Sea, Daya Bay, Chaohu Lake, Taihu Lake, Qiandao Lake, Xiangshan Port and so on. The results show that: The performance index of the instrument reached the international advanced level, especially in the accuracy of community identification, chlorophyll quantitative precision, turbidity resistance and CDOM interference ability is obviously better than the international similar instruments. The instrument participated in the trial application of the South China Sea islands and reefs, the Yellow Sea and the Bohai Sea, obtained the spatial distribution information of algae community structure and chlorophyll concentration in the surrounding waters, and accumulated important scientific observation data for the investigation of Marine ecological environment. The stability, response speed and automation of the instrument have reached the international technical level of similar products, providing an advanced observation means for the investigation of water eutrophication, red tide and bloom monitoring and early warning, surface water ecology and environment investigation and other fields.

 

Product features

 

Accurate identification and determination of common algae in oceans, lakes and reservoirs, with high measurement accuracy and sensitivity;

The sample does not need pretreatment, the measurement is fast and efficient in situ;

The in-situ host has two kinds of working modes: portable and self-contained, which are flexible, fast and convenient to operate.

Fast response speed, suitable for field real-time monitoring;

Optional optical window self-cleaning brush to achieve long-term online monitoring under unattended conditions.

 

 

Performance index

 

Measured algae: diatoms, dinoflagellates, green algae, cryptoalgae, cyanobacteria

Measuring range: (0-100)μg/L

Detection limit: 0.01μg/L

Measurement accuracy: ≤5%

Measured water depth: 50m

Response time: 18.5 seconds

Appearance volume: diameter 130mm, length 490mm

Average power consumption: 35W.

 

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case

1) Hefei Chaohu Administration Bureau; .

2) Ecological Monitoring Center of Shenzhen City, Guangdong Province

3) Shenzhen Academy of Environmental Sciences;

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Contact Information

  zhgrhl@126.com

  0756-6332383

  http://zhgrhl.com/

  3016, No. 33, Jinmeng Lane, Xiangzhou District, Zhuhai


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