Improved Optical System HI83300 family is designed with an innovative optical system that incorporates a beam splitter so that light can be used for absorbance readings and by the reference detector. The reference detector monitors the intensity of light and modulates when there is drift due to power uctuation or the heating of the optical components. Each part has an important role in providing unparalleled performance from a photometer. High E¤ciency LED Light Source An LED light source oers superior performance as compared to a tungsten lamp. LEDs have a much higher luminous e¤ciency, providing more light while using less power. They also produce very little heat, which could otherwise aect the optical components and electronic stability. Quality Narrow Band Interference Filters The narrow band interference ¡lter not only ensures greater wavelength accuracy (±1 nm) but is also extremely e¤cient, allowing a brighter, stronger signal to be transmitted. The end result is increased measurement stability and less wavelength error. Reference Detector for a Stable Light Source A beam splitter is used as part of the internal reference system of the HI83300 photometer. The reference detector compensates for any drift due to power uctuations or ambient temperature changes. Now you can rely on a stable source of light. Large Cuvette Size The sample cell of the HI83300 ¡ts a round, glass cuvette with a 25 mm path length. Along with the advanced optical components, the larger size of the cuvette greatly reduces errors in rotation from the indexing mark of the cuvettes. The relatively long path length of the sample cuvette allows the light to pass through more of the sample solution, ensuring accurate measurements even in low absorbance samples. Focusing Lens for Greater Light Yield Adding a focusing lens to the optical path allows for the collection of all of the light that exits the cuvette and focusing the light on the silicon photo detector. This innovative approach to photometric measurements cancels the errors from imperfections and scratches present in the glass cuvette eliminating the need to index the cuvette. Better linearity than research-grade spectrophotometers Improved optical lters — higher wavelength accuracy and light throughput 10 Photometers 10.37 www.hannainst.com | benchtop
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