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The USB4000-VIS-NIR is preconfigured for applications from 350-1000 nm. The USB4000-VIS-NIR features a 3648-element Toshiba linear CCD array for increased signal-to-noise and enhanced electronics for controlling the spectrometer and accessories. The USB4000-VIS-NIR Spectrometer is preconfigured with the DET4-350-1000 detector and order-sorting filter to cover the 350-1000 nm wavelength range. The spectrometer comes with a multi-bandpass order-sorting filter and a 25 µm entrance slit for optical resolution to ~1.5 nm (FWHM).Our ES (Enhanced Sensitivity) models feature an installed detector collection lens for increased light collection efficiency. Priced from $2,887. |
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The USB4000-VIS-NIR's onboard programmable microcontroller provides you with considerable flexibility in controlling the spectrometer and accessories. Through a 22-pin connector, you can implement all operating parameters in the software: control light sources, create processes, and retrieve information on external objects. You have access to 8 user-programmable digital Inputs/Outputs for interfacing to other equipment. (Contact an Applications Scientist regarding what you'll need to program the GPIOs.)
The USB4000-VIS-NIR provides you with an affordable, high-performance 3648-element linear CCD-array detector with an optical bench that's small enough to fit into the palm of your hand. The USB4000 works the same way as other Ocean Optics spectrometers; it accepts light energy transmitted through single-strand optical fiber and disperses it via a fixed grating across the linear CCD array detector, which is responsive from 200-1100 nm.
When you purchase a USB4000-VIS-NIR, you can also choose from Ocean Optics' complete line of spectroscopic accessories. Most accessories have SMA 905 connectors for application flexibility. Changing the sampling system is as easy as unscrewing a connector and adding new components or accessories, such as light sources, sampling holders, filter holders, flow cells, fiber optic probes and sensors, collimating lenses, attenuators, diffuse reflectance standards, integrating spheres and our extensive line of optical fibers.
The USB4000-VIS-NIR interfaces to a PC, PLC or other embedded controllers via USB 2.0 or RS-232 serial port. When using the serial port, the USB4000 requires a single 5-volt power supply (not included). Data unique to each spectrometer is programmed into a memory chip on the USB4000-VIS-NIR; our spectrometer operating software reads these values for easy setup and hot swapping among PCs.
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Physical |
USB4000-VIS-NIR | USB4000-VIS-NIR-ES |
| Dimensions: | -- 89.1 mm x 63.3 mm x 34.4 mm -- | |
| Weight: | -- 190 grams -- | |
| Detector Specifications | ||
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Detector: |
-- Toshiba TCD1304AP Linear CCD array -- |
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| Detector range: | -- 200-1100 nm -- | |
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Pixels: |
-- 3648 pixels -- |
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Pixel size: |
-- 8 μm x 200 μm -- |
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Pixel well depth: |
-- 100,000 electrons -- |
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| Optical Bench | ||
| Design: |
-- f/4, Asymmetrical crossed Czerny-Turner -- |
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| Focal length: |
-- 42 mm input; 68 mm output -- |
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| Entrance aperture: |
-- 25 µm wide slit -- |
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| Grating: |
-- Grating #3 (blazed at 500 nm) -- |
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| OFLV filter: |
-- OFLV-350-1000 -- |
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| Fiber optic connector: |
-- SMA 905 to 0.22 numerical aperture single-strand optical fiber -- |
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| Spectroscopic | ||
| Wavelength range: |
-- 350-1000 nm -- |
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| Optical resolution: |
-- ~1.5 nm FWHM -- |
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| Signal-to-noise ratio: |
-- 300:1 (at full signal) -- |
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| A/D resolution: |
-- 16 bit -- |
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| Corrected linearity: |
-- >99% -- |
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| Sensitivity: |
-- 130 photons/count at 400 nm; 60 photons/count at 600 nm -- |
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| Detector collection lens: | No | Yes |
| Dark noise: |
-- 50 RMS counts -- |
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| Integration time: |
-- 3.8ms - 10 seconds -- |
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| Dynamic range: |
-- 3.4 x 106 (system), 1300:1 for a single acquisition -- |
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| Stray light: |
-- <0.05% at 600 nm; 0.10% at 435 nm -- |
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| Electronics | ||
| Power consumption: |
-- 250 mA @ 5 VDC -- |
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| Data transfer speed: |
-- Full scans to memory every 4 ms with USB 2.0 port -- |
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| Inputs/Outputs: |
-- Yes, 8 onboard digital user-programmable GPIOs -- |
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| Breakout box compatible: |
-- Yes, with the USB-ADP-BB adapter -- |
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| Trigger modes: |
-- 4 modes -- |
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| Strobe functions: |
-- Yes -- |
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| Connector: |
-- 22-pin connector -- |
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| 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 | |
Serial port operation tips: When using the serial port, the USB4000-VIS-NIR requires a single 5-volt power supply (not included). Also, SpectraSuite Spectroscopy Software does not support spectrometer operation via the serial port. However, using the included Serial Port Command Set, you can write your own software that makes serial port operation possible.
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Convenient Wavelength Calibration!
