The U-3900/3900H covers a wide variety of analysis needs from liquid samples to solid samples. Line-up of two types that can be selected in accordance with the measuring object and application. For use in a wide range of fields that focus on water quality, the environment, biotechnology, pharmaceuticals, materials, etc. - Possible to perform measurements in a wide absorbance range with low stray light and low noise.
The larger the amount of transmitted light, the lower the noise of the obtained absorption spectrum so that a wider absorbance range can be measured. Measurements of high concentration samples can be performed over a wider concentration range. - Stable spectrometer with double beam optical system.
The light source uses a WI lamp (visible range) and a D2 lamp (ultraviolet range) that switches wavelength depending on the measurement. The double beam system divides the monochromatic light so that the diffraction grates into the control and the sample with a rotational mirror, guiding the light to the sample chamber.
| - UV Solutions for U-3900 (PC connected) allows for easy device control and supports various quantitative-analysis functions.
Special operation software that offers substantial functions such as measurement data comparison and a preview function that allows for a more powerful analysis. - Substantial accessories for both liquid and solid measurements.
There is an abundant lineup of accessories to accommodate multiple sample and micro sample applications, etc. - Loaded with aberration-corrected concave grating. The U-3900/3900H provides aberration-corrected concave gratings with a Seya-Namioka Mount for the spectrometer.
Both condensing and dispersing functions allow for a bright optical system, but with fewer mirrors so that light loss and aberrations are reduced. - Two types of optical systems: Single Monochrome (U-3900) and Double Monochrome (U-3900H). A lineup of two models with different spectrum systems: Single Monochrome (U-3900) and Double Monochrome (U-3900H).
The Single Monochrome is suitable for a low-concentration sample since sample light energy is stronger compared tothe Double Monochrome. The Double Monochrome is suitable for a high-concentration sample since it can measure high absorbance with little stray light.
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