752N Ultraviolet Visible Spectrophotometer

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752N Ultraviolet Visible Spectrophotometer
Posting date : Dec 11, 2009
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84-
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Characteristics The monochromator with a holographic flashing grating is used. It has the advantage of high wavelength precision, good monochromaticity and low stray light. Automatic switching of tungsten halogen lamp and deuterium lamp. A sample compartment for 0.5cm-5cm cells. Computer control system, precise automatic T/A changeover. Automatic zero and full scale adjustment. Direct concentration read-out and concentration factor setting function. Equipped with RS232 port. Printer can be connected and data can be sent to PC by special software. Specifications Wavelength range 200nm-800nm Wavelength accuracy max 2nm Wavelength repeatability max 1nm Transmittance accuracy -0.5% (t) ~+0.5% (t) (NBS930D) Transmittance repeatability max0.2% (t) Spectrum bandwidth 5nm Stray light max 0.5% (t) (at 220nm, Nal) Stability Dark current drift: 0.2% (t)/3min Light current drift: 0.5%(t)/3min

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