Algae Bloom Monitoring: Enhancing Water Quality with Chlorophyll A Analysis

By accurately analyzing Chlorophyll A levels, the CF-200 offers a window into the health of water bodies, enabling timely interventions and preserving the delicate balance of aquatic environments.

Water quality monitoring with our new CF-200 Algae Monitor.


In an era where environmental control is paramount, the CF-200 stands out as a beacon of innovation and reliability. Utilizing the advanced C-Fluor fluorescence probe, this online monitor is expertly engineered to detect Chlorophyll A in fresh and seawater with unparalleled precision.

Why Monitor Algae?

Algae blooms, influenced by seasonal changes, weather, and other environmental factors, pose significant challenges to water quality management. Industrial plants with seawater intake systems and reverse osmosis desalination plants face risks from high plankton concentrations. The CF-200 not only tracks these variations but also aids in maintaining the efficiency and safety of these critical systems.


The science behind it

At the heart of algae monitoring is Chlorophyll A, the primary pigment found in algae. By accurately measuring its levels, the CF-200 provides a reliable indicator of total plankton concentration, essential for the effective pre-treatment in reverse osmosis systems and ensuring the health of aquatic ecosystems.

CF-200 Algae Bloom Monitor

Features of the CF-200 Algae Monitor

Advanced Monitoring Technology


  • C-Fluor Fluorescence Probe: At the core of the CF-200 is the C-Fluor probe, a testament to cutting-edge fluorescence technology that enables real-time monitoring of chlorophyll-A levels.
  • Continuous Measurement: Equipped with a bypass assembly display and transmitter, the CF-200 offers continuous and accurate monitoring, essential for dynamic water systems.

Designed for Efficiency and Reliability


  • Alerts for Plant Operators: Stay informed with immediate alerts, allowing for timely responses to changing conditions.
  • Maintenance-Free Operation: With no need for chemicals, reagents, or moving parts, the CF-200 promises a hassle-free experience unaffected by common interferences like bubbles or silt.
  • Longevity and Durability: A testament to its build quality, the probe boasts a lifespan of over five years, minimizing the need for frequent maintenance or factory recalibrations.
  • Ease of Maintenance: Including a bypass and isolation assembly simplifies the cleaning process, ensuring the monitor remains in optimal condition.

User-Friendly Interface


  • LED Display and Signal Output: The controller-powered LED display, coupled with a 4-20 mA signal, ensures clear data presentation and easy integration into existing systems.
  • Ready for Installation: Mounted on a robust 316SS back plate, the CF-200 arrives prepared for immediate installation, streamlining the setup process.

Precision and Range


  • Measurement Range: Capable of measuring chlorophyll concentrations from 0 to 100 µg/l, the CF-200 caters to a wide range of monitoring needs.
  • Connection Options: A 1″ PVC union fitting process connection is available in both threaded and socket options for versatile installation.

Build and Material Quality


  • Wetted Parts: Constructed with Titanium metallic CPVC, the monitor is designed to withstand challenging conditions.
  • Pressure Tolerance: Operates effectively under a maximum pressure of 3 bar (45 PSI).
  • Robust Display: The digital panel meter has a NEMA 4X, IP65 front, ensuring durability and environmental resistance.
  • Display Dimensions: Features a dual-line 6-digit display with dimensions of 0.6″ (15 mm) and 0.46″ (12 mm) for enhanced visibility.
  • Output and Relays: Includes 2 Relays (3A form C alarm relays) and a versatile 4-20 mA output, accommodating various operational needs.
  • Power Specifications: Powered by an 85-275 VAC supply, with a maximum consumption of 20W, it’s designed for energy efficiency.

Safety and Operational Range

  • UL & C-UL Listed: Complies with UL 508 industrial control equipment standards, ensuring safety and reliability.
  • Temperature Range: Operates effectively in a wide temperature range from -40 to 65 °C (-40 to 150 °F), suitable for diverse environmental conditions.

Impact of Algae Blooms on Coastal Waters


Algae blooms, a frequent environmental challenge in the coastal waters, have significant and multifaceted impacts on marine ecosystems and human activities. These blooms are often driven by excess nutrients (nitrogen and phosphorus) from agricultural runoff, sewage discharge, and climate change-induced temperature rises. When algae proliferate rapidly, they create dense mats that block sunlight, critically disrupting the photosynthesis process in aquatic plants and leading to severe oxygen depletion in the water. This phenomenon, known as eutrophication, results in ‘dead zones’ where aquatic life struggles to survive. Fish and other marine organisms often suffocate due to the lack of oxygen, decreasing biodiversity and affecting the natural balance of marine ecosystems.

Socio-Economic Consequences and Health Risks


Beyond ecological damage, algae blooms pose substantial socio-economic challenges. Coastal regions, heavily reliant on tourism and recreational activities, face economic losses as algae blooms deter beachgoers and water sports enthusiasts due to the unpleasant odours and potential health risks. Certain types of algae, such as blue-green algae (cyanobacteria), can produce toxins harmful to humans and animals, leading to skin irritations, gastrointestinal issues, and, in severe cases, neurological problems. These health risks necessitate frequent water quality monitoring and can lead to beach closures, impacting local businesses and tourism. Furthermore, the fishing industry suffers as fish stocks decline and shellfish become contaminated, affecting commercial yields and consumer confidence in seafood safety.

The Role of CF-200 Algae Monitor in Mitigating Algae Bloom Impacts


In the context of these environmental and socio-economic challenges, the CF-200 Algae Monitor is a crucial tool for early detection and management of algae blooms in UK coastal waters. Equipped with the advanced C-Fluor fluorescence probe, the CF-200 accurately detects Chlorophyll A levels, a key indicator of algae presence and concentration. This early detection is vital for initiating timely mitigation strategies, such as adjusting nutrient inputs or implementing aeration techniques to reduce the severity of blooms. By providing continuous and precise monitoring, the CF-200 helps environmental agencies and coastal managers to track bloom dynamics, enabling informed decision-making and proactive responses. Furthermore, its robust design and low maintenance requirements make it an ideal solution for the challenging conditions of the UK’s coastal environments. Implementing the CF-200 Algae Monitor not only aids in preserving the ecological balance of marine ecosystems but also supports the sustainability of local economies reliant on healthy, vibrant coastal waters.

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