| Specifications | USB2000 |
| Detector | 2048-element CCD array |
| Useable spectral range | 200 - 1100 nm (depends on grating) |
| Dynamic range | 2 x 108 |
| Sensitivity | 86 Photons/count; 2.9 x 10-17 watts/count
(for integration time: 1s) |
| Signal-to-Noise-Ratio | 250:1 (at full signal) |
| Read-out noise | 2.5 - 4.0 (RMS) |
| Gratings | choice of 14 gratings
optimized for UV, VIS or NIR range |
| Entrance slits | Slit height: 1000µm,
Width: 5, 10, 25, 50, 100, 200 µm possible |
| Focal length | 42 mm (Input), 68 mm (Output) |
| Order-sorting-filter | fixed Schott glass longpass filters |
| Optical resolution | approx. 0.3 - 10.0 nm FWHM
(depends on selectable grating) |
| Stray light | less than 0.05% at 600 nm,
less than 0.10% at 435 nm and 250 nm |
| Fiberoptic connector | SMA 905 to optical fiber,
numerical aperture: 0.22 |
| Computer interface | USB connection
(RS-232 possible) |
| Computer requirements | Pentium, IBM-compatible,
32 MB RAM, Windows 98 |
| Spectrometer channel | Master spectrometer channel only |
| Integration time | 3 ms - 65 s |
| Data transfer rate | transmission of spectrum every 13 ms, every 25 ms using OOI Base-Software |
| Dimensions | Length: 89 mm; Width: 64 mm; Height: 34 mm |
| Weight | 270 g |