SR2 Spectrometers

High Speed and High SNR Performance

SR2 spectrometers provide a potent combination of spectral acquisition speed and high SNR for versatility without the trade-offs of comparable spectrometers. SR2 is ideal for applications including laser characterization, plasma monitoring, and absorbance concentration.

SR2 Series

Group	Part Number	Wavelength Range	Optical resolution (FWHM)	Slit Size	Grating Groove Density (lines/mm)	Grating Blaze Wavelength
UV options:	SR-2UV220-25	185 – 410 nm	0.55 nm	25 μm	1800	Holographic
	SR-2UV220-50	185 – 410 nm	0.92 nm	50 μm	1800	Holographic
	SR-2UV220-100	185 – 410 nm	1.72 nm	100 μm	1800	Holographic
	SR-2UV220-200	185 – 410 nm	2.96 nm	200 μm	1800	Holographic
	SR-2UV240-5	200 – 530 nm	0.42 nm	5 μm	1200	Holographic
	SR-2UV240-10	200 – 530 nm	0.50 nm	10 μm	1200	Holographic
	SR-2UV240-25	200 – 530 nm	0.66 nm	25 μm	1200	Holographic
	SR-2UV240-50	200 – 530 nm	1.02 nm	50 μm	1200	Holographic
	SR-2UV240-100	200 – 530 nm	1.89 nm	100 μm	1200	Holographic
	SR-2UV240-200	200 – 530 nm	3.78 nm	200 μm	1200	Holographic
UV-Vis options:	SR-2UVV240-5	185 – 850 nm	0.86 nm	5 μm	600	240 nm
	SR-2UVV240-10	185 – 850 nm	1.01 nm	10 μm	600	240 nm
	SR-2UVV240-25	185 – 850 nm	1.33 nm	25 μm	600	240 nm
	SR-2UVV240-50	185 – 850 nm	2.06 nm	50 μm	600	240 nm
	SR-2UVV240-100	185 – 850 nm	3.80 nm	100 μm	600	240 nm
	SR-2UVV240-200	185 – 850 nm	7.61 nm	200 μm	600	240 nm
	SR-2UVV300-5	195 – 850 nm	0.86 nm	5 μm	600	300 nm
	SR-2UVV300-10	195 – 850 nm	1.01 nm	10 μm	600	300 nm
	SR-2UVV300-25	195 – 850 nm	1.33 nm	25 μm	600	300 nm
	SR-2UVV300-50	195 – 850 nm	2.06 nm	50 μm	600	300 nm
	SR-2UVV300-100	195 – 850 nm	3.80 nm	100 μm	600	300 nm
	SR-2UVV300-200	195 – 850 nm	7.61 nm	200 μm	600	300 nm
	SR-2UVV400-5	185 – 850 nm	0.86 nm	5 μm	600	400 nm
	SR-2UVV400-10	185 – 850 nm	1.01 nm	10 μm	600	400 nm
	SR-2UVV400-25	185 – 850 nm	1.33 nm	25 μm	600	400 nm
	SR-2UVV400-50	185 – 850 nm	2.06 nm	50 μm	600	400 nm
	SR-2UVV400-100	185 – 850 nm	3.80 nm	100 μm	600	400 nm
	SR-2UVV400-200	185 – 850 nm	7.61 nm	200 μm	600	400 nm
Vis options:	SR-2VIS400-5	380 – 1050 nm	1.62 nm	5 μm	600	400 nm
	SR-2VIS400-10	380 – 1050 nm	1.38 nm	10 μm	600	400 nm
	SR-2VIS400-25	380 – 1050 nm	1.71 nm	25 μm	600	400 nm
	SR-2VIS400-50	380 – 1050 nm	2.75 nm	50 μm	600	400 nm
	SR-2VIS400-100	380 – 1050 nm	4.86 nm	100 μm	600	400 nm
	SR-2VIS400-200	380 – 1050 nm	6.99 nm	200 μm	600	400 nm
Vis-NIR options:	SR-2VN500-5	350 – 1040 nm	0.86 nm	5 μm	600	500 nm
	SR-2VN500-10	350 – 1040 nm	1.02 nm	10 μm	600	500 nm
	SR-2VN500-25	350 – 1040 nm	1.34 nm	25 μm	600	500 nm
	SR-2VN500-50	350 – 1040 nm	2.08 nm	50 μm	600	500 nm
	SR-2VN500-100	350 – 1040 nm	3.83 nm	100 μm	600	500 nm
	SR-2VN500-200	350 – 1040 nm	7.66 nm	200 μm	600	500 nm
NIR options:	SR-2N750-25	570 – 860 nm	0.84 nm	25 μm	1200	750 nm
	SR-2N750-50	570 – 860 nm	1.33 nm	50 μm	1200	750 nm
	SR-2N750-100	570 – 860 nm	2.36 nm	100 μm	1200	750 nm
	SR-2N750-200	570 – 860 nm	4.34 nm	200 μm	1200	750 nm
	SR-2N1000-5	650 – 1100 nm	0.84 nm	5 μm	600	1000 nm
	SR-2N1000-10	650 – 1100 nm	0.99 nm	10 μm	600	1000 nm
	SR-2N1000-25	650 – 1100 nm	1.30 nm	25 μm	600	1000 nm
	SR-2N1000-50	650 – 1100 nm	2.01 nm	50 μm	600	1000 nm
	SR-2N1000-100	650 – 1100 nm	3.72 nm	100 μm	600	1000 nm
	SR-2N1000-200	650 – 1100 nm	7.44 nm	200 μm	600	1000 nm
Extended-range options:	SR-2XR250-5	185 – 1050 nm	1.44 nm	5 μm	500	250 nm
	SR-2XR250-10	185 – 1050 nm	1.54 nm	10 μm	500	250 nm
	SR-2XR250-25	185 – 1050 nm	2.02 nm	25 μm	500	250 nm
	SR-2XR250-50	185 – 1050 nm	3.12 nm	50 μm	500	250 nm
	SR-2XR250-100	185 – 1050 nm	5.76 nm	100 μm	500	250 nm
	SR-2XR250-200	185 – 1050 nm	11.52 nm	200 μm	500	250 nm
Integration time	1 μs – 2 s
SNR (single scan @ 10 ms)	380:1
SNR (max. per second w/High Speed Averaging Mode)	25,800:1
Connectors	16 pin Samtec TFM, RS-232, SMA, USB Type-C
Physical dimensions	88.1 x 63.5 x 31.45 mm
Weight	275 g
Temperature (operation)	0 °C – 55 °C
Temperature (storage)	-30 °C – 70 °C
Best for	High light-level absorbance measurements Laser/LED characterization Color and reflectance measurements

Click here for SR2 Series Product Insight (Manuals, Spec Sheets, App Notes)