© AlgaeLabAnalyser bbe moldaenke Preetzer Chaussee 177 | 24222 Schwentinental | Germany phone (+49) 431 38040-0 fax (+49) 431 38040-10 e-mail info@bbe-moldaenke.de net www.bbe-moldaenke.de The AlgaeLabAnalyser Measurement of chlorophyll-a and photosynthetic activity in the laboratory The laboratory instrument for ... . quantification of algal classes: green, blue-green (cyanobacteria), brown (diatoms and dinoflagellates) and cryptophycea . determination of total chlorophyll . determination of photosynthetically active chlorophyll The chlorophyll analysis includes determination of the chlorophyll content, which replaces the wet chemical approach. The pigments are spectrally excited by coloured LEDs. This enables the determination of the distribution of chlorophyll across the different algae B il md mzweispaltig 125 classes. The photosynthetic activity of the algae is determined by the fluorescence pattern of the pigment excitation (Genty). bbe AlgaeLabAnalyser: reliable measurements in the laboratory Measurements ... . of direct chlorophyll fluorescence: performed without sample preparation . and therefore much faster than common distribution is p chlorophyll analysis; in spite of an average measuring time of only 3 ossible after determ- of transmission: ining a standard spectrum. takes place during each analysis and, if necessary, can be used to compensate . minutes, the results are comparable to of the Genty parameter and fm, f, f0: the influence of substances that cause HPLC or wet-chemical analysis (R²>0.93). allow the determinations of the oxygen turbidity; a sample transmission can production rate, i.e. the percentage of also be determined. . of algae class differentiation: photosynthetically active chlorophyll to determine the content of chlorophyll under illumination, and the classification emerging from green algae, blue-green of active c algae, brown algae (diatoms and fluorescence-e dinoflagellates) and cryptophyceae; the . . pigments of different algae are . of toxicity: hlorophyll and other Features mitting compounds. compact, desktop design modern notebook included determined by using coloured LEDs, add- .subsequent recalibration of by comparison of a polluted sample plus algal classes ing other algae with special pigment algae with untreated algae. www.bbe-moldaenke.de AlgaeLabAnalyser bbe moldaenke © AlgaeLabAnalyser measurement using the AlgaeOnlineAnalyser software Applications . Software . waterway analysis and assessment . saving of data/parameters at any time . general environmental management . graphic display of all measurement values . intake monitoring . online display in LAN . toxicity testing . parametrisation of measurements . dam monitoring . data export to EXCEL and text files . limnological work . comment input for each measurement research and education Excitation wavelengths for the bbe AlgaeLabAnalyser Technical Data Measurands total chlorophyll [µg chl-a/l] concentration of green algae [µg chl-a/l] concentration of blue-green algae [µg chl-a/l] concentration of diatoms [µg chl-a/l] concentration of cryptophyceae [µg chl-a/l] yellow substances photosynthetic activity option (Genty) transmission (at 5 wavelengths) Measuring range 0 - 200 µg chl-a/l Resolution 0.01 µg chl-a/l Transmission 0 - 100 % Weight 7.5 Kg Size 220 x 370 x 400 mm Power supply 110/230 V @50/60 Hz - 12V DC Power input 10 W Your local representative... Sample volume 25 ml Sample temperature 0 - 40 ° C Protection class IP54 Data interfaces RS 232, USB PC hardware (incl.) Notebook Software bbe++ Windows software with database Options 12V motor vehicle adapter, rechargeable battery pack www.bbe-moldaenke.de