Distinction of green algae, blue-green algae (cyanobacteria), diatoms and crytophytes in a flow-through chamber - simple, quick and reliable. The AlgaeGuard is designed as a 'plug and play' instrument, i.e. measurements are carried out automatically using pre-defined parameter settings immediately after boot-up or by pressing the start button on the touchscreen panel. Continuous configuration by the operater is not necessary. Maintenance is as low as 1 hour per month. Parameters can be changed using the external bbe PC software if necessary.
Measurement Using The AlgaeGuard
direct chlorophyll fluorescence corresponds to wet-chemical chlorophyll analysis
spectral algae classes to simultaneously determine the content of chlorophyll according to green algae, blue-green algae, brown algae (diatoms and dinoflagellates) and cryptophytes
transmission parallel to chlorophyll measurement during each analysis, allows the compensation of the influence of substances which cause turbidity
yellow substances concentration (CDOM) influences the chlorophyll result due to its fluorescence; to improve the chlorophyll measurement, the yellow substance content is determined and used automatically for the chlorophyll correction
water temperature
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Advantages of the AlgaeGuard
quick, simple chlorophyll determination with algae class analysis
direct measurement without sample preparation
simple operation and virtually maintenance-free
different communication ports, also in an industrial setting:
up to 8 alarm outputs (potential-free contacts)
up to 16 analog outputs (4-20mA)
serial interface for data transfer
USB port for simple firmware updates
integrated cleaning unit in measuring chamber prevents biofouling
touchscreen display
PC operation with bbe AOA software
Applications
Industrial Applications
cooling and utility water monitoring
raw water for drinking water treatment
industrial plants
Environmental Applications
lake and river analysis
oceanographic chlorophyll monitoring
environmental monitoring
research and education
PC Software
The external software can be used with the bbe AlgaeGuard to analyse the data and configure certain parameters. The software is supplied with the instrument. Measurements can be carried out however without an external PC.
Features for measurement mode:
saving of data and parameters at any time
graphic display of all measurement values
online display in LAN
calibration of the AlgaeGuard
parameterisation of the measurement
Features for data evaluation:
evaluation of the data as text and graphics
adaptation of new calibrations to datasets
data export to EXCEL and to text files
print function
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