Klett Colorimeter
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Use for Colorimetric and Turbidimetric Determinations Including Color Concentration ,Haze and Density Measurements , Microbiology Growth Curves. Klett™ Colorimeters Offer:-
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These photometric colorimeters use specific light filters to give readings on a unique Klett™ scale. The readings are directly proportional to the concentration or optical density of a solution in accordance with Beers Law. Two matched photocells and a suspension galvanometer give the instrument a broad range of measurement; it is light and ambient temperature independent. A fully compensated and carefully balanced electrical circuit provides accuracy and consistency in readings. The precision galvanometer has an illuminated logarithmic scale, graduated from 1 to 1000 Klett™ and the scale is graduated in units proportional to the optical density. Repeatability is ±0.33% of the full scale. Two models, Clinical and Industrial are available. Each comes complete with detailed instructions, standards and guides for a wide range of tests.
The Clinical Model (800 series) uses standard 14.25 x 125mm test tubes. Calibrated or uncalibrated tubes are available and micro test tubes can be used for samples as small as 2.5ml. The Industrial Model (900 series) accepts rectangular solution cells, which can be used in either of two directions. Measurements can then be taken at depths of 10mm, 20mm, or 40mm.
A reduction plate is available to minimize solution depth to 2.5mm. An adapter is available
that permits the use of test tubes.Both models are supplied with the two most commonly used filters, blue for 400-450nm and
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