Ocean Optics USB4000 User Manual

USB4000

Spectrometer

The USB4000 is a modular spectrometer that is easily configured for a wide
range of absorbance, reflection and emission applications. The compact
unit has a 3648-element CCD array detector with response from 200-1100 nm
and an optical bench with convenient onboard electronic shutter.

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At a Glance

Size: 89.1 mm x 63.3 mm x 34.4 mm

Weight: 190 g

Wavelength range: 200-1100 nm

Robust Electronics

The USB4000 Spectrometer is distinguished by its enhanced electronics: 16-bit A/D
resolution with auto nulling feature (an enhanced electrical dark-signal correction);
EEPROM storage of calibration coefficients for simple spectrometer start-up; 8
programmable GPIO signals for controlling peripheral devices; and an electronic
shutter for spectrometer integration times as fast as 3.8 milliseconds -- a handy feature
to prevent detector saturation.

Signal-to-noise ratio: 300:1 (at full
signal)

Dynamic range: 3.4 x 10
1300:1 for a single acquisition

Integration time: 3.8 ms - 10 sec

6

(system);

Intensity

OneFocus Advantage

Wavelength (nm)

Chlorophyll in water is measured with a USB4000 configured for fluorescence.
A 450 nm LED was used for excitation and a cuvette holder for the sample.

The USB4000 is a modular spectrometer. You can select a model that is preconfigured
for a particular application or you can build your own. Our Application Sales Engineers
help you with selection of grating, slits and optical bench accessories, as well as
sampling accessories such as fibers, light sources and cuvette holders.

Features

• Reliable, robust spectrometer with good signal-to-noise performance

• Great response across the 200-1100 nm wavelength range

• Hundreds of configurations possible with modular design

Learn more online at
www.oceanoptics.com

Contact an Ocean Optics
Application Scientist
for details and pricing

• Built-to-suit wavelength range and optical resolution performance

• Triggering functions for synchronization between the spectrometer and other devices

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