AvaSpec-128 Ultrafast Fiber Optic Spectrometer

The AvaSpec-128 Ultrafast Spectrometer is blazingly fast, supporting integration times as short as 60 µs.

AvaSpec-128 Ultrafast Fiber Optic Spectrometer

The affordable price and range from 360-1100 nm make it an ideal instrument for inline process control measurements.

The AvaSpec-128 has a USB2-port to connect to your computer and transfers data at 1.1 ms per scan. Data sampling is done at a rate of 8000 scans per second. It comes complete with AvaSoft-basic software, an extensive manual and USB-cable. It’s also available in dual-channel or multi-channel configurations (up to 10, built into a 19”rackmount), where all spectra are stored simultaneously. The resolution (FWHM) capability is between 1.7 and 64 nm, depending on slit and grating configurations.

For the fiber-optic entrance connector you can choose between SMA (default) and FC/PC. Furthermore you can select from a wide range of gratings, slit sizes, and second- order sorting filters. Other options are a detector collection lens for enhanced sensitivity and a switch to select between USB or external power.

Technical Data
Optical BenchSymmetrical Czerny-Turner, 45 mm focal length
Wavelength range360-1100 nm
Resolution1.7-64 nm, depending on configuration (see table)
Stray light< 0.3%
Sensitivityin counts/µW  per ms integration time430,000
DetectorPhoto diode array, 128 pixels
Signal/Noise500:1
AD converter16 bit, 2 MHz
Integration time0.06 ms – 10 minutes
InterfaceUSB 2.0 high speed, 480 Mbps
RS-232, 115.200 bps
Sample speed with on-board averaging0.12 ms
Data transfer speed1.1 ms / scan (USB2)
30 ms / scan (RS-232)
Digital IOHD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, sync.
Power supplyDefault USB power, 350 mA or with SPU2 external 12VDC, 150 mA
Dimensions, weight175 x 110 x 44 mm(1 channel), 716 grams
Order Info
AvaSpec-128-USB2 Fiber Optic Spectrometer, 45 mm AvaBench, 128 pixel PDA detector, USB powered high-speed USB2 interface, incl. AvaSoft-Basic, USB interface cable, specify grating, wavelength range and options
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