The ASP-150C from Avesta Ltd. is a Czerny-Turner Spectrometer that has spectral ranges of 190 nm - 300 nm, 190 nm - 450 nm, 190 nm - 800 nm, and 190 nm - 1100nm. It has a spectral resolution of 0.017 nm (190 nm - 300 nm), 0.025 nm (190 nm - 450 nm), 0.06 nm (190 nm - 800 nm) and 0.09 nm, 0.2 nm, 0.3 nm, 0.42 nm & 0.6 nm (190 nm - 1100nm). This spectrometer has a grating of 1800 III order grooves/mm (190 nm - 300 nm), 1800 II order grooves/mm (190 nm - 450 nm), 1800 grooves/mm (190 nm - 800 nm), and 1200 grooves/mm, 600 grooves/mm, 400 grooves/mm, 300 grooves/mm & 200 grooves/mm (190 nm - 1100 nm).

The ASP-150C has a dynamic range of 1000:1 & 1000:1 (4000:1) and focal length of 150 mm. This spectrometer has a dispersion of 0.9 nm/mm (190 nm - 300 nm), 1.4 nm/mm (190 nm - 450 nm), 3.1 nm/mm (190 nm - 800 nm), and 5.1 nm/mm, 11 nm/mm, 16.8 nm/mm, 22.4 nm/mm & 33.2 nm/mm (190 nm - 1100 nm). It has a 10 μm input slit and relative aperture of 1:13. This spectrometer has a 14-bit, 16384 counts ADC and can be controlled via a USB-connected PC interface. It has free space or SMA905 fiber socket input type (FC socket or fiber patch cord are available on request).

The ASP-150C has Toshiba 1205DG, Toshiba 1304DG, and Hamamatsu S8378-1024Q CCD array detectors with 1024 pixels, 2048 pixels, and 3648 pixels respectively. It has a pixel size of 25 μm x 500 μm (1024), 14 μm x 200 μm (2048) & 8 μm x 200 μm (3648). This spectrometer has a minimum exposure time of 2.1 ms (1024), 7.3 ms (3648) & 4.2 ms (2048), and maximum exposure time of 5 s (3648 &1024) & 4 s (2048). It has a sensitivity of 650 photons/count, 80 photons/count & 20 photons/count, and mean square noise of reading 16 (1024), 5.4 (2048) & 3.5 (3648) (counts of ADC). This spectrometer is available in a package that measures 205 (L) mm x 115 (W) mm x 76 (H) mm.