Ocean Optics - Inventor of the World's First Miniature Spectrometer
Ocean Optics - Inventor of the World's First Miniature Spectrometer
 

Ocean Optics - Inventor of the World's First Miniature Spectrometer

 

 

USB2000-UV-VIS Spectrometer

The USB2000-UV-VIS Miniature Fiber Optic Spectrometer is a small-footprint, plug-and-play version of our revolutionary S2000 Miniature Fiber Optic Spectrometer.

  • Preconfigured optical bench

  • 200-850 nm

  • No external power requirements

  • Simplified spectrometer-computer interface

The USB2000-UV-VIS  plugs into the USB port of any desktop or notebook PC, eliminating the need for separate analog-to-digital converters and interface cabling. Users can connect the spectrometer directly to a desktop PC without having to open the PC chassis or search for available IRQs and Input/output ranges. The USB2000-UV-VIS Spectrometer is pre-set to a 200-850 nm wavelength range (click here for grating efficiency) and comes with a UV2 Detector Upgrade, a multi-bandpass order-sorting detector coating and a 25 mm entrance slit for optical resolution to 1.5 nm (FWHM). Operating software is also included.

A Note About Our UV Coating For Our CCD Detectors

Our competition sometimes resorts to technical inuendo to disparage our exceptional products. Contrary to suggestions made by competitors, the fluorophore used in the UV coatings for our CCD detectors does not degrade with time.

Facilitated Operation

With the USB2000-UV-VIS, getting started is as easy as connecting the tiny spectrometer to the USB port of the computer. In addition, the spectrometer does not require an 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.

Modular Design

The USB2000-UV-VIS is pre-set at Ocean Optics in a configuration appropriate for most absorbance and reflectance experiments. Users can choose from our 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. 

In addition, Ocean Optics offers two snap-on, direct-attach accessories created just for the USB2000-series spectrometers. The USB-ISS-VIS is a light source/cuvette holder combo for absorbance measurements of solutions, while the USB-FHS is a light source/filter holder for transmission measurements of optical filters. These two accessories are optimized for measurements from 390-950 nm, and each is available for only $499.

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

Cable

Description

Price

USB-CBL-1

Cable connects from USB port on USB2000 to USB port on desktop or notebook PC

$25

USB-ADP-PC

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

$75

CBL-SER

Spare 9-pin serial cable; connects to USB-ADP-H and serial port on desktop or notebook PC

$25

USB-CBL-PS

Spare 5 VDD power supply; required if USB2000 interfaces to PC via serial port

$25

USB-ADP-H

Adapter block to use with CBL-SER to connect from serial port on USB2000 to serial port on desktop or notebook PC

$75

USB-ADP-PX2

Adapter block and cable to conect the PX-2 Pulsed Xenon Lamp or LS-450 Pulsed Blue LED to the USB2000

$50

Optional Battery Pack

A pair of Lithium Ion cells makes the USB2000-UV-VIS Spectrometer field-portable. The USB-BP Battery Pack delivers 225 mA at 5 Volts -- enough juice to power a light source and the USB2000 for 8 hours continuously, or a USB-LS-450 LED module and the USB2000 for 12 hours continuously. Included is a battery charger for replenishing spent batteries. 

LED Add-on Drive Module

We've developed a multi-purpose LED drive module for USB2000 Spectrometers that has a built-in 24-bit A/D converter to accommodate a 100 ohm Resistance Temperature Device for temperature measurements (temperature probe priced separately). Conceived for use with Fiber Optic Oxygen Sensors, the USB-LS-450 LED Light Source Module also features on-board memory to store temperature and oxygen calibration coefficients and is available with an optional add-on that provides 4-20 mA output for process and other applications.

Key Features

Computer interface:

Universal Serial Bus (RS-232 available on side connector)

Spectrometer channels:

Master spectrometer channel only

Computer requirements*:

  • IBM-compatible PC with Pentium or better microprocessor

  • 32 MB RAM (16 MB)

  • Windows 98/Me/XP, Mac OS X and Linux operating systems, when using the USB port

Integration time:

3 milliseconds-65 seconds

Data transfer rate:

  • Full scans (2048 wavelengths) into memory every 13 milliseconds

Dimensions:

3.5" x 2.5"x 1.31" LWH
89 mm x 64 mm x 34 mm LWH

Weight:

0.45 lb. without cable, 0.60 lb. with cable
200 grams without cable, 270 grams with cable

* Download free software to analyze your computer's USB readiness by clicking here. 

Detector Specifications

Detector:

2048-element linear silicon CCD array

Effective range:

200-1100 nm

Dynamic range:

2 x 108

Sensitivity (estimate):

  • 86 photons/count; also, 2.9 x 10-17 joule/count

  • 2.9 x 10-17 watts/count (for 1-second integration) 

Signal-to-Noise:

250:1 (at full signal)

Dark noise:

2.5-4.0 (RMS)

Optics Specifications

Grating:

600 lines/mm, set to 200-850 nm (blazed at 300 nm)

Slit:

25 mm width (height is 1000 mm)
Focal length: 42 mm (input); 68 mm (output)
Order-sorting: Single-piece, multi-bandpass detector coating to eliminate second-order effects from 200-850 nm
Resolution: 1.5 nm (FWHM)
Stray light: < 0.05% at 600 nm
< 0.10% at 435 nm
< 0.10% at 250 nm
Fiber optic connector: SMA 905 to single-strand optical fiber (0.22 NA)

 

 

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