CHEMUSB4 UV-VIS Spectrophotometer 200-850nm by Ocean



The CHEMUSB4-UV-VIS is the perfect marriage of our USB-interface spectrometer technology and modular accessories. The system consists of a CHEMUSB4 UV-VIS spectrophotometer with a combination deuterium tungsten halogen light source and 1-cm cuvette holder and high-speed electronics. The CHEMUSB4-UV-VIS covers the 210 to 880 nm range, has optical resolution of 1.0 nm FWHM and captures 3648 wavelengths in under a 1 second. Spectrasuite software is included for free.


Physical Specifications CHEMUSB4-UV-VIS and CHEMUSB4-VIS-NIR
Spectrometer dimensions: 89.1 mm x 63.3 mm x 34.4 mm
Spectrometer weight: 190 g
Light source dimensions: 89.1 mm x 77.79 mm x 34.4 mm (UV-VIS)
40.7 mm x 88.8 mm x 34.1 mm (VIS-NIR)
Light source weight: 200 g (UV-VIS)
130 g (VIS-NIR)
Detector Specifications
Detector: Toshiba TCD1304AP Linear CCD array
Pixels: 3648 pixels
Pixel size: 8 µm x 200 µm
Pixel well depth: 100,000 electrons
Sensitivity: 130 photons/count at 400 nm; 60 photons/count at 600 nm
Optical Bench
Design: f/4, Asymmetrical crossed Czerny-Turner
Focal length: 42 mm input; 68 mm output
Entrance aperture: 25 µm wide slit
Wavelength range: 210-880 nm (UV-VIS)
370-985 nm (VIS-NIR)
Optical resolution: 1.0 nm FWHM
Signal-to-noise ratio: 300:1 (maximum signal)
A/D resolution: 16 bit
Dark noise: 50 RMS counts
Integration time: 3.8 ms to 10 seconds
Dynamic range: 3.4 x 106 (system); 1300:1 for a single acquisition
Stray ligth: <0.05% at 600 nm; 0.10% at 435 nm


Additional information

Weight 6 lbs
Dimensions 12 × 12 × 6 in


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