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本品即插即用,体积小,可握在手中,有5种结构,UV,VIS和NIR各一款,两款独特的混合光谱型模式,提高了光谱范围和分辨率。本品光栅不需要旋转,在出厂时已经调整好,用于专用的波段范围,将固定发光强度的灯通过光纤光导耦合,这样就可控制光输入。照明灯中不包含接插线。采用5W钨丝灯(光谱范围390—2900nm)用于VIS和近红外分光计中。5W氘灯/3W钨丝灯结合在一起是种比较经济的做法,光谱范围覆盖UV-VIS-NIR范围(200—1100nm),各分光计都包含USB线。
光纤纤芯直径范围为50—1000微米,所有的终结点用SMA905连接。反射探针照明采用(6)200微米光纤,探测头采用(1)200微米光纤(无需接插线)。
10mm的玻璃套管可测量透射、吸收、或荧光性能等,有3个SMA905连接头输入并探测(需要2 个接插件)。
本软件可采集单光谱或连续光谱,支持暗衰减和强度对比,并可提供自动时域光谱记录。见下面的附件信息。所有的分光计都兼容USB1.1/2.0(带USB线)。
| Optical Specifications | |
| Spectrograph F/# | 3.0 |
| Grating | 1200 grooves/mm, 1800 grooves/mm (UV) |
| Blaze Wavelength | UV: 250nm; VIS: 500nm; NIR: 750nm |
| Slit Width | 25µm |
| Stray Light | 0.05% @ 600nm for VIS |
| General Specifications | |
| Detector Array | 2048 element linear silicon CCD imaging sensor, Sony ILX511 |
| Pixel Size | 14µm x 200µm |
| Power Input | 5V @ <0.35A (internal through USB) |
| Operating Temperature | 15°C to 35°C (60°F to 95°F) |
| Digitizer Resolution (built in) | 16-bit or 65,535:1 |
| Data Transfer Speed | 50 to >100 spectra per second |
| Digitizer Speed | 500KHz (maximum) |
| Integration Time | 5 to 65,535 milliseconds |
| Computer Interface | USB 1.1/2.0 |
| Operating Software | Compatible with Microsoft® Windows® XP |
| External Trigger | Aux. external triggering port |
| Weight | 0.5 lbs. |
| Size | 4" x 2.5" x 1.6" |
| Light Source | Tungsten | Deuterium/Tungsten |
| Spectral Output Range | 350 - 2500nm | 200 - 1100nm |
| Output Power | 5.0W | 5W Deuterium/3W Tungsten 6W with both lamps on |
| Exit Aperture | SMA-905 | SMA-905 |
| Dimensions | 64mm W x 100mm H x 41mm L | 76mm W x 155mm H x 64mm L |
| Expected Lifetime | >5,000 hours | >1,000 hours |