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红潮光谱仪是一个低费用、小型化的实验室用光谱仪。USB650-VIS-NIR红潮光谱仪的波长范围为350～1000nm，由于配置了25 μm的入射光狭缝，红潮光谱仪可以提供约2.0nm的光学分辨率（FWHM）。USB650-VIS-NIR光谱仪预配置USB-ISS-VIS LED卤灯光源和样品池，该样品池1cm见方，可用于吸光度测量。
特点
Direct-attach Light Source
The USB650-VIS-NIR uses the USB-ISS-VIS combination sample holder (1-cm cuvette)and violet LED-boosted tungsten light source for measuring relative absorbance. The light source boosts signal in the blue and provides over 45,000 hours of use
Modular Design
Ocean Optics offers complete line of fiber optic sampling accessories and teaching tools to further enhance your USB650-VIS-NIR system.Most accessories have SMA905 connectors for application flexibility; changing the sampling system is as easy as unscrewing a connector and adding new components or accessories.
For even more flexibility,consider the CHEM4-VIS-FIBER. An optical fiber based system, the CHEM4-UV-FIBER leets you quickly and easily couple fiber optic accessories,such as reflection probes or transmission dip probes,to the system's light source.
Plug-and -play Operation
The USB650-VIS-NIR interfaces to a PC, PLC or other embedded controllers via a USB 2.0 PORT. Date unique to each spectrometer is programmed into a memory chip on the USB4000; our spectrometer operating software reads these values for easy setup and hot swapping among PCs.
SPECIFICATIONS
|
Physical |
|
| Spectrometer dimensions: | 89.1 mm x 63.3 mm x 34.4 mm |
| Spectrometer weight: | 190 grams |
| Light source dimensions: | 40.7 mm x 88.8 mm x 34.1 mm |
| Light source weight: | 130 g |
| Detector Specifications | |
|
Detector: |
Sony ILX-511 Linear CCI |
|
Pixels: |
650 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 |
| 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 #2 |
| OFLV filter: | OFLV-350-1000 |
| Fiber optic connector: | SMA 905 to 0.22 numerical aperture single-strand optical fiber |
| Spectroscopic | |
| Wavelength range: | 370 to 985 nm(The actual range typically exceeds what's listed here. The range listed is where you will see changes as small as 0.01 absorbance units.) |
| Optical resolution: | 2.0 nm FWHM |
| Signal-to-noise ratio: | 300:1 (at full signal) |
| A/D resolution: | 12 bit |
| Dark noise: | 3.2 RMS |
| Integration time: | 3 ms to 65 ms |
| Dynamic range: | 2 x 108 (system), 1300:1 for a single acquisition |
| Stray light: | <0.05% at 600 nm; 0.10% at 435 nm |
| Light Source/Sample Holder | |
| Power consumption: | 160 mA @ 5 VDC; external power supply (included) |
| Pathlength: | 1 cm |
| Cuvette shape: | Square |
| Light source: | Tungsten halogen and violet LED |
| "Z" dimension: | 15 mm |
| Bulb life (hours): | 45,000 |
| Time to stabilized output: | ~5 minutes |
| Electronics | |
| Power consumption: | 90 mA @ 5 VDC |
| Data transfer speed: | Full scans to memory every 13 ms with USB 2.0 port, 18 ms with USB 1.1 port |
| Inputs/Outputs: | None |
| Analog channels: | No |
| Auto nulling: | Yes |
| Breakout box compatible: | No |
| Trigger modes: | 4 modes |
| Strobe functions: | Yes |
| Connector: | 10-pin connector |
| Computer | |
| Operating systems: | Windows 98/Me/2000/XP, Mac OS X and Linux with USB port |
| Computer interfaces: | USB 2.0 @ 480 Mbps (USB1.1 compatible) |
| Peripheral interfaces: | SPI (3-wire); I2C inter-integrated circuit |
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