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Avantes StarLine : AvaSpec-ULS2048 Versatile Fiber-optic Spectrometer

Absolute flexibility in the set-up of your spectrometer at affordable prices: that is the StarLine in a nutshell. Select the slit, grating and detector that fits your application best and the perfect spectrometer is made especially for you.

AvaSpec-ULS2048 StarLine Versatile Fiber-optic Spectrometer

It’s the workhorse of avantes spectrometer line-up, the AvaSpec-ULS2048. Used in many applications in the UV/VIS-range, it is particularly useful in time-critical situations thanks to its exceptional response speed. Priced affordably, the AvaSpec-ULS2048 fiber-optic spectrometer is the choice of many of our most demanding customers.

Options include deep-UV detector coating for better performance in the deep-UV-range, a detector collection lens to enhance sensitivity in the 200-1100 nm range and order-sorting filters to reduce 2nd order effects. Furthermore, the AvaSpec-ULS2048 is available with a wide range of slit sizes, gratings and fiber-optic entrance connectors.

The AvaSpec-ULS2048 is also available in dual or multi-channel versions (up to 10 spectrometers in a 19” rack), where all spectra are taken simultaneously.

Connection with your PC is done via USB2-connection, delivering a scan every 1.8 milliseconds. Integration time can be as short as 1.1 milliseconds up to a maximum of 10 minutes. It comes complete with AvaSoft-Basic software, USB cable and an extensive manual, including a quick start guide in four languages.

Optical Bench Symmetrical Czerny-Turner, 75 mm focal length
Wavelength range 200-1100 nm
Resolution 0.05-20 nm, depending on configuration (see table)
Stray-light 0.04-0.1%, depending on the grating
Sensitivity 310,000 counts/µW per ms integration time
Detector CCD linear array, 2048 pixels
Signal/Noise 200:1
AD converter 16 bit, 2 MHz
Integration time 1.11 ms – 10 minutes
Interface USB 2.0 high speed, 480 Mbps
RS-232, 115.200 bps
Sample speed with on-board averaging 1.1 ms /scan
Data transfer speed 1.8 ms / scan (USB2)
430 ms / scan (RS-232)
Digital IO HD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, sync.
Power supply Default USB power, 350 mA or with SPU2 external 12VDC, 150 mA
Dimensions, weight 175 x 110 x 44 mm (1 channel), 716 grams
AvaSpec-ULS2048-USB2 Fiber-optic Spectrometer, 75 mm AvaBench, 2048 pixel CCD detector, USB powered, high-speed USB2 interface, incl. AvaSoft-Basic, USB interface cable.
Specify grating, wavelength range and options