USB2000 Specifications
USB2000 Operating Instructions 7
USB2000 Specifications
The following sections provide specification information for the CCD Detector in the USB2000, as well as the
USB2000 Spectrometer itself.
CCD Detector Specifications
Detector:
Sony ILX511 linear silicon CCD array
Number of elements:
2048 pixels
Pixel size:
14 µm x 200 µm
Pixel well depth:
62,500 electrons
Signal-to-noise ratio:
250:1 (at full signal)
A/D resolution:
12 bit
Dark noise:
2.5 RMS counts
Corrected linearity:
>99.8%
USB2000 Spectrometer Specifications
Dimensions:
89.1 mm x 63.3 mm x 34.4 mm
Weight:
190 g (without cable)
Power consumption:
90 mA @ 5 VDC
Detector range:
200-1100 nm
Detector:
2048-element linear silicon CCD array
Gratings:
14 gratings; UV through Shortwave NIR
Entrance aperture:
5, 10, 25, 50, 100 or 200 mm wide slits or fiber (no slit)
Order-sorting filters:
Installed longpass and bandpass filters
Focal length:
f/4, 42 mm (input); 68 mm (output)
Optical resolution:
~0.3-10.0 nm FWHM (depending on grating and size of entrance aperture)
Dynamic range:
2 x 10
8
(system); 2000:1 for a single scan
Stray light:
<0.05% at 600 nm; <0.10% at 435 nm; <0.10% at 250 nm
Sensitivity (estimate):
400 nm – 90 photons/count; 600 nm – 41 photons/count;
800 nm – 203 photons/count
Fiber optic connector:
SMA 905 to single-strand optical fiber (0.22 NA)
Data transfer rate:
Full scans into memory every 13 milliseconds
Integration time:
3 milliseconds to 65 seconds
Fiber optic connector:
SMA 905 to single-strand optical fiber (0.22 NA)
Operating systems:
Windows 98/Me/2000/XP when using the USB interface on a desktop or notebook
PCs
Any 32-bit Windows operating system when using the serial port on desktop or
notebook PCs
Windows CE 2.11 and above when using the serial port on palm-sized PCs
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