| Optical bench | ULS symmetrical Czerny-Turner, 75 mm focal length |
| Wavelength range | 200-1100 nm |
| Resolution | 0.05-20 nm (depending on configuration, FWHM) |
| Stray light | 0.06%-0.19% (depending on grating) |
| Sensitivity | 310,000 counts/µW per ms integration time |
| Detector | CCD linear array, 2048 pixels |
| Signal/Noise | 200:1 |
| AD converter | 16-bit, 2 MHz |
| Integration time | 1.05 ms - 10 minutes |
| Sample speed | 1.05 ms/scan (store to RAM) |
| Data transfer | 1.8 ms/scan (USB2) / 430 ms/scan (RS-232) |
| Interface | USB 2.0 high-speed 480 Mbps; RS-232 115.2 kbps |
| Digital I/O | HD-26: 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, sync |
| Power supply | USB power 350 mA; or SPU2 external 12VDC 150 mA |
| Dimensions / Weight | 175×110×44 mm (1 channel); 716 g |