USB series

/ Spectrometers
usb2000+-960x960

The multi purpose Spectrometers

The USB series are the world’s most popular general purpose spectrometers used in a wide range of applications and industries. USB spectrometers are highly configurable for any specific application in the UV-NIR range between 200- 1100nm. The plug-and-play operation get’s your started within minutes after installation.

  • 1,000 full spectra per second
  • Onboard, 2-mhz A/D converter
  • Onboard programmable microcontroller
  • USB-to-pc interface
  • Linear ccD-array detector
  • RohS and ce compliance
  • 10 user-programmable digital i/os for interfacing to other equipment
  • Various trigger modes
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 – USB2000+ USB4000
Detector
Type Linear ccD array Linear ccD array
Detector range 200 – 1100 nm 200 – 1100 nm
Active pixels 2048 3648
Pixel size 14 μm x 200 μm 8 μm x 200 μm
Pixel well depth ~ 62 500 electrons  ~ 100 000 electrons
Sensitivity  75 photons / count at 400 nm 130 photons / count at 400 nm
 41 photons / count at 600 nm 60 photons / count at 600 nm
Spectroscopic
Wavelength range  Grating dependent (max. 650 nm Grating dependent (max. 650 nm)
Optical resolution  ~ 0.3 – 10.0 nm (FWhm) ~ 0.3 – 10.0 nm (FWhm)
Signal-to-noise ratio  250 : 1 300 : 1
A/D resolution  16 bit 16 bit
Dark noise  50 rmS counts 50 rmS counts
Dynamic range  1300 : 1 1300 : 1
Integration time  1 ms to ≥ 60 seconds 10 μs to ≥ 60 seconds
Stray light  ≤ 0.05 % @ 600 nm; ≤ 0.10 % @ 435 nm ≤ 0.05 % @ 600 nm; ≤ 0.10 % @ 435 nm
Corrected linearity ≥ 99.8 % ≥ 99.8 %
Optical Bench
Design  f/4, Symmetrical crossed czerny-Turner  f/4, Symmetrical crossed Czerny-Turner
Focal length  42 mm input, 68 mm output  42 mm input, 68 mm output
Entrance aperture  5, 10, 25, 50, 100 or 200 μm  5, 10, 25, 50, 100 or 200 μm
Grating options  14 different grating options  14 different grating options
Fibre optic connector  SmA 905 to 0.22 numerical aperture  SMA 905 to 0.22 numerical aperture
 Single strand optical fibre  single strand optical fibre
 Physical
Dimensions  89.1 x 63.3 x 34.4 mm  89.1 x 63.3 x 34.4 mm
Weight  190 grams  190 grams
 Electronics
Power consumption  250 mA @ 5 VDc  250 mA @ 5 VDc
Data transfer speed  Full spectrum every 1 ms with USB 2.0 port  Full spectrum every 5 ms with USB 2.0 port
Inputs/outputs  8 onboard digital user-programmable Gpios  8 onboard digital user-programmable Gpios
Analog channels  No  No
Trigger modes  3 modes  3 modes
Strobe functions  Yes  Yes
 Computer
Operating systems  Windows, Mac, Linux  Windows, Mac, Linux
Computer interfaces  USB 2.0 ; RS-232  USB 2.0 ; RS-232
Peripheral interfaces  SPI (3-wire); I2C integrated circuit  SPI (3-wire); I2C integrated circuit
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  • Biology measurements
  • Colour analysis
  • Biochemical monitoring
  • Light analysis
  • Chemical identification
  • Concentration determination
  • Textile measurements
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  • Plug and play operation
  • User friendly
  • No external power supply
  • Multi purpose
  • User-configured wavelength range and resolution
  • Fibre coupled SmA 905
  • SpectraSuite user-interface software compatibility
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