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
| Specifications | Wavelength Range | Resolution (FWHM) (configuration-dependent) | Grating Groove Density (lines/mm) | Grating Blaze Wavelength |
| UV-Vis options: | 185-410 nm | 0.28 nm – 2.96 nm | 1800 | Holographic |
| 220-535 nm | 0.42 nm – 3.78 nm | 1200 | Holographic | |
| 220-925 nm | 0.86 nm – 7.61 nm | 600 | 240 nm | |
| 220-910 nm | 0.86 nm – 7.61 nm | 600 | 300 nm | |
| 220-910 nm | 0.86 nm – 7.61 nm | 600 | 400 nm | |
| Vis-NIR options: | 380-1050 nm | 1.38 nm – 6.99 nm | 600 | 400 nm |
| 350-1040 nm | 0.86 nm – 7.66 nm | 600 | 500 nm | |
| NIR options: | 600-1050 nm | 0.84 nm – 7.44 nm | 600 | 1000 nm |
| Extended-range options: | 220-1050 nm | 1.44 nm – 11.52 nm | 500 | 250 nm |
| Slit Options | 5, 10, 25, 50, 100, 200 µm | |||
| Integration Time | 1 μs – 2 s | |||
| SNR (single scan @ 10 ms) | 380:1 | |||
| SNR (max. per second w/High Speed Averaging Mode): | 25800:1 | |||
| Connectors | USB Type-C, SMA, 16 pin Samtec TFM, RS-232 | |||
| Physical Dimensions | 88.1 x 63.5 x 31.45 mm | |||
| Weight | 275 g | |||
| Temperature (operation) | 0 °C – 55 °C | |||
| Temperature (storage) | -30 °C to 70 °C | |||