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Algae Torch

Chlorophyll and Cyanobacteria Measurement

The quick-and-easy portable measuring instrument. Switch on, dip in, read off!

The bbe AlgaeTorch is a handy instrument for the measurement of microalgae and cyanobacteria in all types of water. The AlgaeTorch mweasures chlorophyll-a of intact cells without sample preparation. A complete measurement needs less than 20 seconds. No sampling or preparation is necessary.

Advantages of algae determination

  • prompt chlorophyll analysis
  • hazardous blue-green algae detection
  • real-time measurement with automatic turbidity correction
  • GPS coordinates
  • simple operation with cable-free measurement
  • calibrated with living algal cultures

Applications - Water Quality Monitoring

  • water quality measurement in lakes, rivers and streams
  • detection of algal blooms and blue-green algae (cyanobacteria)
  • management of reservoirs and dams
  • environmental monitoring
  • research and education
  • analysis due to EU Water Frame Directive and Bathing Water Directive

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Algae Lab Analyses

Quick Analysis in the Laboratory

Determination of chlorophyll concentration, algae classes and photosynthesis activity for scientific and routine analysis

The bbe AlgaeLabAnalyser offers the simultaneous determination of chlorophyll concentrations, transmission, and - as an option - the photosynthetic activity of microalgae in a 25 ml glass cuvette. The chlorophyll content is excited by coloured LEDs and allocated to the different algal classes.
The AlgaeLabAnalyser enables direct measurement without sample preparation by filtration or solvent. The fluorescence signals f0, f, fm are used to calculate the photosynthetic activity using the Genty parameter method. A yellow substances (CDOM) correction is also used to correctly calculate the total chlorophyll content.

Features & Informations

Advantages of the AlgaeLabAnalyser

  • quick, simple chlorophyll determination using algal class analysis
  • maintenance-free
  • simple operation
  • direct measurement without sample preparation via filtration, dilution
  • integrated stirrer
  • PC operation using bbe++ software
  • uncomplicated data export
  • optional hard case for mobile deployment
  • optional external battery


  • waterway analysis and assessment
  • general environmental assessment
  • intake monitoring
  • chemical analysis
  • toxicity testing
  • waste detection
  • dam monitoring
  • limnological work
  • research and education

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Algae Online Analyser

Algae Monitoring 24/7

Online detection of chlorophyll concentration, algae classes and photosynthetic activity.

The bbe AlgaeOnlineAnalyser is deployed in measuring stations and laboratories in which online measurement of water quality is required for rivers, reservoirs, dams and lakes as well as in drinking water production. The instrument impresses due to its rapid analysis of chlorophyll concentrations. The chlorophyll concentration, the transmission and optionally the photosynthetic activity are determined simultaneously.

The detection of different algal classes by excitation with coloured LEDs distinguishes this measuring instrument from its competitors. Part of the analysis is a yellow substances (CDOM) measurement to adjust the calculation of the total chlorophyll content. The integrated cleaning unit protects against growth problems during long-term measurement.

Features & Informations


  • quick, simple chlorophyll determination using algal class analysis
  • determination of the photosynthetic activity of algae
  • maintenance-free
  • simple operation
  • different communication possibilities also for industrial applications:
  • up to 8 alarm outputs (potential-free contacts)
  • up to 16 analog outputs (4-20mA)
  • serial interface for data transfer
  • Ethernet - access to data from an external PC
  • USB connector for data transfer
  • optional ModBus connector
  • direct measurement without sample preparation via filtration, dilution
  • integrated cleaning unit reduces maintenance to a minimum
  • touch screen display
  • PC operation using bbe AOA software
  • water temperature measurement
  • Extension for the AlgaeOnlineAnalyser
  • A regulated inflow of sample water enhances the versatility of the AlgaeOnlineAnalyser: a valve switches alternatively between two tubes of the AlgaeOnlineAnalyser. The cycle time is controlled by the AOA software. This new feature enables the user to take water samples from different depths or locations, and measures algae chlorophyll online at high frequency. The records allow the user to draw conclusions about the success of the measurements in order to reduce or enhance microalgae in process water, cooling water or a culture.

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With the bbe 10cells device we have used our manufacturing experience of more than 2 decades of chlorophyll instrument production to venture into new measurement dimensions – the detection of single living algal

Microalgae are an ideal indicator in many applications since they make up the largest part of the biomass of small organisms. The I0cells is thus always the right choice when the smallest possible algal concentration has to be detected. The determination of the amount of algae is an ideal parameter for ballast water quality assessment. Using a modified PAM procedure (patent) the 10cells achieves a very low detection rate of only one living cell per ml. Thus, it is 10 times more sensitive than the limit required by the IMO (International Maritime Organization) and up to 100 times more sensitive than any other commercially available ballast water analysis instrument. Other typical applications are process control for drinking water production in waterworks or cooling water production in industrial plants. In daily use, the 10cells supports the controlled and efficient dosing of flocculants or biocides

Features & Informations

Advantages of measurements with 10cells

  • Field instrument with the highest sensitivity on the market
  • complience with IMO regulations
  • quick indicative analysis
  • Detection limit 1 living cell/ml
  • Wthout chemicals
  • Measuring time less than a minute
  • Robust
  • Simple operation
  • 10“ Display
  • Data logger function
  • Portable operation using batteries

Applications - Water Quality Monitoring

Harbour Authorities:

  • Quick tests
  • Conceived for portable use

BWT Plant Production:

  • Helps to achieve correct dosing of Cl2, ClO2, O3 and UV radiation
  • Improves the efficiency of treatment plants

Ship Owners:

  • Cost reduction due to detection of IMO-conform ballast water treatment

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