DNA/RNA/cell density measurements Messung Zelldichte / Zellzahl Messung Zelldichte / Zellzahl MiniDen with battery operation - densitometer for cell density determination

MiniDen with battery operation - densitometer for cell density determination

The small densitometer is the ideal additional instrument in the research and routine laboratory for cell density and turbidity measurements. The concentration determinations of bacterial and yeast suspensions as well as measurements of coloured solutions absorbing green light are based on the measurement of the optical density at a fixed wavelength of 565 nm. These values are represented in digital form as Mc Farland units. The unit is pre-calibrated, but can also be calibrated using common standards (available on request).

• Determination of cell densities from 0.0 - 6.0 McFarland units (0 to 18 x 10⁸ cells/ml)
• Extended determination up to 15.0 McFarland units with larger standard deviation
• Wavelength of 565 nm (± 15 nm) per light emitting diode
• Accuracy: ± 3%
• Measurement duration: 1 sec.
• Sample volume: min. 2 ml
• LCD display
• Measurement in tubes with ext. ø 18 mm or 16 mm (with adapter)
• Dimensions: 165 x 115 x 75 mm, weight: 0.7 kg
• Power supply: ext. Power supply unit or 3 x AA batteries (not incl.)

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