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| The USB2000+
Miniature Fiber Optic Spectrometer is a unique combination
of technologies
a powerful 2-MHz
analog-to-digital (A/D) converter, programmable
electronics, a 2048-element CCD-array
detector, and a high-speed USB 2.0 port. This
innovative combination produces our fastest spectrometer yet and provides
resolution to 0.35 nm (FWHM). The USB2000+
allows users to capture and store a full spectrum into memory every
millisecond (that's 1,000 full spectra every second) when the
spectrometer is interfaced to a computer via a USB 2.0 port. The
USB2000+ is perfect for chemical, biochemical and other applications
where fast reactions need to be monitored. |
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The USB2000+
offers the following features:
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1,000 Full Spectra/Second
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Programmable
Microcontroller
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Modular
design
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User-configured
wavelength range and resolution
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Automatically
reads the wavelength calibration coefficients of the
spectrometer and configures operating software
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USB-to-PC
interface; no external power requirements
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RoHS and CE compliance
The USB2000+ utilizes an onboard, 2-MHz A/D converter,
which allows you to capture and transfer one full spectrum into memory
every millisecond when the spectrometer is interfaced to a PC via the USB
port.
The USB2000+ has an onboard programmable microcontroller
that provides flexibility in controlling the spectrometer and accessories.
Through a 22-pin connector, you can implement all operating parameters
in the software, such as controlling external light sources, creating
processes and routines and retrieving data from external devices. The USB2000+ gives you access to 10 user-programmable digital I/Os for
interfacing to other equipment; one analog input and one analog output;
and a pulse generator for triggering other devices. (Programming the I/Os
requires SpectraSuite Spectroscopy Operating Software.)
Facilitated Operation
Setting up the USB2000+ Spectrometer is easy. The user simply installs
our Spectrometer Operating Software and then
connects the USB cable from the spectrometer to the computer. Wavelength calibration coefficients unique
to each spectrometer are programmed into a memory chip right on the
USB2000+; the software simply reads these values from the
spectrometer. What's more, the USB2000+ requires no external power supply;
it draws its power from the computer. In fact, the USB port can be used to
power light sources that connect to the spectrometer.
Optimal
Performance
The USB2000+ couples a low-cost, high-performance 2048-element linear CCD-array
detector with an optical bench that's small enough to fit into the palm of
your hand -- the same detector and optical bench that have provided
superior performance to the users of our 90,000+ systems out in the field.
The USB2000+ also works the same way as other Ocean Optics spectrometers in
that 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.
Modular Design
Just as with all other Ocean Optics user-configured spectrometers,
users work with our applications scientists when selecting the USB2000+ --
choosing from 14 gratings, 6 slits and hundreds of fiber optic accessories
such as light sources, probes and optical fibers to create the
optimal system for their application.
We also have a
limited-time upgrade offer designed
especially to enhance your UV sensing
and boost UV response by over 20%. The upgrade is available for Gratings
1, 5, 7 and 10.
Users can also choose from Ocean Optics'
complete line of spectroscopic accessories to use with the USB2000+. Most
accessories have SMA 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 an
extensive line of optical fibers.
Serial Port Option
The USB2000+ also has an RS-232
serial port for interfacing to PCs and PLCs. Serial port use requires an
external power supply and 9-pin serial cable (USB-ADP-PC).
Cable and Power Supply Options
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Cable
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Description
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Price
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USB-CBL-1
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Cable
connects from USB port on USB2000+ to USB port on desktop or
notebook PC
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$27
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USB-ADP-PC
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Cable
and adapter block connect from serial port on USB2000 to serial
port on desktop or notebook PC; also comes with USB-CBL-PS 5 VDC
power supply
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$104
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CBL-SER
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Spare
9-pin serial cable; connects to USB-ADP-H and serial port on
desktop or notebook PC
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$47
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USB-CBL-PS
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Spare
5 VDD power supply; required if USB2000 interfaces to PC via
serial port
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$27
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USB-ADP-H
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Adapter
block to use with CBL-SER to connect from serial port on USB2000
to serial port on desktop or notebook PC
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$115
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USB-ADP-PX2
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Adapter
block and cable to conect the PX-2 Pulsed Xenon Lamp or LS-450
Pulsed Blue LED to the USB2000+
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$69
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ACC-CON-US2 |
Spectrometer accessory connector for external
triggering |
$0 |
Specifications
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Physical
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Dimensions: |
89.1 mm x 63.3 mm x 34.4 mm |
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Weight: |
190 grams |
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Detector |
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Detector:
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Sony ILX511B linear
silicon CCD array |
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Detector range: |
200-1100 nm |
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Pixels:
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2048 pixels |
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Pixel size:
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14 μm x 200 μm |
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Pixel well depth:
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~62,500 electrons |
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Sensitivity: |
75 photons/count at 400 nm; 41
photons/count at 600 nm |
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Optical Bench |
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Design: |
f/4, Symmetrical crossed Czerny-Turner |
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Focal length: |
42 mm input; 68 mm output |
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Entrance aperture: |
5, 10, 25, 50, 100 or 200 µm wide slits or fiber
(no slit) |
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Grating options: |
14 different gratings, UV through Shortwave NIR |
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HC-1 grating option: |
No |
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Detector collection lens option: |
Yes, L2 |
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OFLV filter options: |
OFLV-200-850; OFLV-350-1000 |
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Other bench filter options: |
Longpass OF-1 filters |
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Collimating and focusing mirrors: |
Standard or SAG+ |
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UV enhanced window: |
Yes, UV2 |
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Fiber optic connector: |
SMA 905 to 0.22 numerical aperture single-strand optical fiber |
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Spectroscopic |
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Wavelength range: |
Grating dependent |
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Optical resolution: |
~0.3-10.0 nm FWHM |
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Signal-to-noise ratio: |
250:1 (at full signal) |
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A/D resolution: |
16 bit |
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Dark noise: |
50 RMS counts |
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Dynamic range: |
2 x 10^8 (system); 1300:1 for a single acquisition |
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Integration time: |
1 ms to 65 seconds |
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Stray light: |
<0.05% at 600 nm; <0.10% at 435 nm |
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Corrected linearity: |
>99.8% |
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Electronics |
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Power consumption: |
250 mA @ 5 VDC |
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Data transfer speed: |
Full scans to memory every 1 ms with USB 2.0
or 1.1 port, 300 ms with serial port |
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Inputs/Outputs: |
No |
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Analog channels: |
No |
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Auto nulling: |
No |
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Breakout box compatibility: |
No |
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Trigger modes: |
3 modes |
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Strobe functions: |
Yes |
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Gated delay feature: |
Yes |
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Connector: |
22-pin connector |
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Computer |
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Operating systems: |
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: |
USB 2.0 @ 480 Mbps; RS-232 (2-wire) @
57.6 K baud |
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Peripheral interfaces: |
I2C inter-integrated circuit |
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