型号: | CHEMUSB4-UV-VIS |
产地: | 美国 |
品牌: | 海洋光学 |
评分: |
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CHEMUSB4-UV-VIS分光光度计是我们研发的USB接口光谱仪技术与标准附件的完美结合。这套系统由下列组件构成:结合了USB4000光谱仪,氘钨卤光源,1cm的比色皿支架以及高速电子采样部件。
CHEMUSB4-UV-VIS分光光度计覆盖了210-880nm光谱范围,光学分辨率为1.0nm(FWHM),能在1秒内获取3648象素的波长光谱。
产品特点:
Physical
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Spectrometer dimensions:
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89.1 mm x 63.3 mm x 34.4 mm
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Spectrometer weight:
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190 grams
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Light source dimensions:
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89.1 mm x 77.79 mm x 34.4 mm
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Light source weight:
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200 g
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Detector Specifications
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Detector:
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Toshiba TCD1304AP Linear CCD array
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Pixels:
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3648 pixels
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Pixel size:
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8 μm x 200 μm
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Pixel well depth:
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100,000 electrons
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Signal-to-noise ratio:
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300:1 (at full signal)
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A/D resolution:
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16 bit
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Corrected linearity:
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>99.8%
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Sensitivity:
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130 photons/count at 400 nm; 60 photons/count at 600 nm
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Optical Bench
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Design:
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f/4, Asymmetrical crossed Czerny-Turner
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Focal length:
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42 mm input; 68 mm output
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Entrance aperture:
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25 µm wide slit
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Grating:
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Grating #1
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OFLV filter:
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OFLV-200-850
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UV enhanced window:
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Yes, UV4
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Fiber optic connector:
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SMA 905 to 0.22 numerical aperture single-strand optical fiber
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Spectroscopic
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Wavelength range:
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210 to 880 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:
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1.0 nm FWHM
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Signal-to-noise ratio:
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300:1 (at full signal)
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A/D resolution:
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16 bit
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Dark noise:
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50 RMS counts
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Integration time:
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3.8 ms to 10 seconds
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Dynamic range:
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2 x 108 (system), 1300:1 for a single acquisition
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Stray light:
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<0.05% at 600 nm; 0.10% at 435 nm
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Light Source/Sample Holder
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Power consumption:
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1.8 A @ 5 VDC; external power supply (included)
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Pathlength:
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1 cm
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Cuvette shape:
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Square
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Light source:
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Deuterium tungsten
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"Z" dimension:
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15 mm
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Bulb life (hours):
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800 deuterium; 2,000 tungsten
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Time to stabilized output:
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~30 minutes
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Electronics
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Power consumption:
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250 mA @ 5 VDC
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Data transfer speed:
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Full scans to memory every 4 ms with USB 2.0 port, 18 ms with USB 1.1 port
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Inputs/Outputs:
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Yes, 8 onboard digital user-programmable GPIOs
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Analog channels:
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No
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Auto nulling:
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Yes
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Breakout box compatible:
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Yes, HR4-BREAKOUT (with the USB-ADP-BB adapter)
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Trigger modes:
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5 modes
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Strobe functions:
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Yes
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Connector:
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22-pin connector
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Computer
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Operating systems:
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Windows 98/Me/2000/XP, Mac OS X and Linux with USB port; Any 32-bit Windows OS with serial port
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Computer interfaces:
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USB 2.0 @ 480 Mbps (USB1.1 compatible); RS-232 (2-wire) @ 115.2 K baud
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Peripheral interfaces:
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SPI (3-wire); I2C inter-integrated circuit
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