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CHEMUSB4-VIS-NIR光譜儀

CHEMUSB4-VIS-NIR光譜儀類似于一個(gè)分光光度計(jì),是一款小型系統(tǒng),其包括下列組件:高科技制成的內(nèi)置光源,一個(gè)USB4000光譜儀,適用于1cm試管的支架以及高速電子特性。它能夠提供實(shí)時(shí)的、基于PC技術(shù)的光譜測(cè)量以及能在僅僅25 ms內(nèi)獲取370-985nm范圍的全光譜。

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:

Toshiba TCD1304AP Linear CCD array

Pixels:

3648 pixels

Pixel size:

8 um x 200 um

Pixel well depth:

100,000 electrons

Signal-to-noise ratio: 300:1 (at full signal)
A/D resolution: 16 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 um 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: 1.0 nm FWHM
Signal-to-noise ratio: 300:1 (at full signal)
A/D resolution: 16 bit
Dark noise: 50 RMS counts
Integration time: 3.8 ms to 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
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: 250 mA @ 5 VDC
Data transfer speed: Full scans to memory every 5 ms with USB 2.0 port, 18 ms with USB 1.1 port
Inputs/Outputs: Yes, 8 onboard digital user-programmable GPIOs
Analog channels: No
Auto nulling: Yes
Breakout box compatible: Yes, HR4-BREAKOUT
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

玻色智能科技有限公司光譜儀專家
上海玻色智能科技有限公司
上海: (021)3353-0926, 3353-0928   北京: (010)8217-0506
廣州: 139-0221-4841   武漢: 139-1733-4172
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