The USB4000-UV-VIS is 是一款紫外至可見光的光譜儀，波長(zhǎng)范圍：200-850 nm.
光譜分辨率： 大約1.5 nm (FWHM).
光譜分辨率： 大約1.5 nm (FWHM).
Specifications 特性：
Physical | |
| Dimensions: | 89.1 mm x 63.3 mm x 34.4 mm |
| Weight: | 190 grams |
| Detector Specifications | |
Detector: | Toshiba TCD1304AP Linear CCD array |
| Detector range: | 200-1100 nm |
Pixels: | 3648 pixels |
Pixel size: | 8 μm x 200 μm |
Pixel well depth: | 100,000 electrons |
| Signal-to-noise ratio: | 300:1 (at full signal) |
| A/D resolution: | 16 bit |
| Dark noise: | 50 RMS counts |
| Corrected linearity: | >99.8% |
| 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 |
| Grating: | Grating #3 (blazed at 500 nm) |
| OFLV filter: | OFLV-350-1000 |
| Fiber optic connector: | SMA 905 to 0.22 numerical aperture single-strand optical fiber |
| Spectroscopic | |
| Wavelength range: | 350-1000 nm |
| Optical resolution: | ~1.5 nm FWHM |
| Signal-to-noise ratio: | 300:1 (at full signal) |
| A/D resolution: | 16 bit |
| Dark noise: | 50 RMS counts |
| Integration time: | 4 ms - 10 seconds |
| Dynamic range: | 2 x 108 (system), 1300:1 for a single acquisition |
| Stray light: | <0.05% at 600 nm; 0.10% at 435 nm |
| Electronics | |
| Power consumption: | 250 mA @ 5 VDC |
| Data transfer speed: | Full scans to memory every 4 ms with USB 2.0 port |
| Inputs/Outputs: | Yes, 8 onboard digital user-programmable GPIOs |
| Breakout box compatible: | Yes, with the USB-ADP-BB adapter |
| Trigger modes: | 4 modes |
| Strobe functions: | Yes |
| Connector: | 22-pin connector |
| Computer | |
| Operating systems: | Windows 98/Me/2000/XP, Mac OS X and Linux with USB port; Any 32-bit Windows OS with serial port |
| Computer interfaces: | USB 2.0 @ 480 Mbps (USB1.1 compatible); RS-232 (2-wire) @ 115.2 K baud |
| Peripheral interfaces: | SPI (3-wire); I2C inter-integrated circuit |
