SR4 Series Spectrometers
High SNR and Thermal Wavelength Stability
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Versatile and robust, SR4 spectrometers offer high SNR and thermal wavelength stability for applications including plasma monitoring and reflection measurements. The spectrometer is anchored by a CCD-array detector and low-noise electronics for accurate, reliable results.
SR4 Series
| Group | Part Number | Wavelength Range | Optical resolution (FWHM) | Slit Size | Grating Groove Density (lines/mm) | Grating Blaze Wavelength |
|---|---|---|---|---|---|---|
| UV options: | SR-4UV220-5 | 190 – 410 nm | 0.42 nm | 5 μm | 1800 | Holographic |
| SR-4UV220-10 | 190 – 410 nm | 0.46 nm | 10 μm | 1800 | Holographic | |
| SR-4UV220-25 | 190 – 410 nm | 0.60 nm | 25 μm | 1800 | Holographic | |
| SR-4UV220-50 | 190 – 410 nm | 0.93 nm | 50 μm | 1800 | Holographic | |
| SR-4UV220-100 | 190 – 410 nm | 1.68 nm | 100 μm | 1800 | Holographic | |
| SR-4UV220-200 | 190 – 410 nm | 3.36 nm | 200 μm | 1800 | Holographic | |
| SR-4UV240-5 | 190 – 535 nm | 0.58 nm | 5 μm | 1200 | Holographic | |
| SR-4UV240-10 | 190 – 535 nm | 0.63 nm | 10 μm | 1200 | Holographic | |
| SR-4UV240-25 | 190 – 535 nm | 0.83 nm | 25 μm | 1200 | Holographic | |
| SR-4UV240-50 | 190 – 535 nm | 1.28 nm | 50 μm | 1200 | Holographic | |
| SR-4UV240-100 | 190 – 535 nm | 2.31 nm | 100 μm | 1200 | Holographic | |
| SR-4UV240-200 | 190 – 535 nm | 4.62 nm | 200 μm | 1200 | Holographic | |
| UV-Vis options: | SR-4UVV240-5 | 190 – 850 nm | 1.17 nm | 5 μm | 600 | 240 nm |
| SR-4UVV240-10 | 190 – 850 nm | 1.25 nm | 10 μm | 600 | 240 nm | |
| SR-4UVV240-25 | 190 – 850 nm | 1.65 nm | 25 μm | 600 | 240 nm | |
| SR-4UVV240-50 | 190 – 850 nm | 2.55 nm | 50 μm | 600 | 240 nm | |
| SR-4UVV240-100 | 190 – 850 nm | 4.62 nm | 100 μm | 600 | 240 nm | |
| SR-4UVV240-200 | 190 – 850 nm | 9.24 nm | 200 μm | 600 | 240 nm | |
| SR-4UVV300-5 | 190 – 910 nm | 1.17 nm | 5 μm | 600 | 300 nm | |
| SR-4UVV300-10 | 190 – 910 nm | 1.25 nm | 10 μm | 600 | 300 nm | |
| SR-4UVV300-25 | 190 – 910 nm | 1.65 nm | 25 μm | 600 | 300 nm | |
| SR-4UVV300-50 | 190 – 910 nm | 2.55 nm | 50 μm | 600 | 300 nm | |
| SR-4UVV300-100 | 190 – 910 nm | 4.62 nm | 100 μm | 600 | 300 nm | |
| SR-4UVV300-200 | 190 – 910 nm | 9.24 nm | 200 μm | 600 | 300 nm | |
| SR-4UVV400-5 | 190 – 910 nm | 1.17 nm | 5 μm | 600 | 400 nm | |
| SR-4UVV400-10 | 190 – 910 nm | 1.25 nm | 10 μm | 600 | 400 nm | |
| SR-4UVV400-25 | 190 – 910 nm | 1.65 nm | 25 μm | 600 | 400 nm | |
| SR-4UVV400-50 | 190 – 910 nm | 2.55 nm | 50 μm | 600 | 400 nm | |
| SR-4UVV400-100 | 190 – 910 nm | 4.62 nm | 100 μm | 600 | 400 nm | |
| SR-4UVV400-200 | 190 – 910 nm | 9.24 nm | 200 μm | 600 | 400 nm | |
| Ethernet options: | SR-4UVV300EN-25 | 190 – 910 nm | 1.65 nm | 25 μm | 600 | 300 nm |
| Vis options: | SR-4VIS400-5 | 350 – 1040 nm | 1.17 nm | 5 μm | 600 | 400 nm |
| SR-4VIS400-10 | 350 – 1040 nm | 1.25 nm | 10 μm | 600 | 400 nm | |
| SR-4VIS400-25 | 350 – 1040 nm | 1.65 nm | 25 μm | 600 | 400 nm | |
| SR-4VIS400-50 | 350 – 1040 nm | 2.55 nm | 50 μm | 600 | 400 nm | |
| SR-4VIS400-100 | 350 – 1040 nm | 4.62 nm | 100 μm | 600 | 400 nm | |
| SR-4VIS400-200 | 350 – 1040 nm | 9.24 nm | 200 μm | 600 | 400 nm | |
| Vis-NIR options: | SR-4VN500-5 | 350 – 1040 nm | 1.17 nm | 5 μm | 600 | 500 nm |
| SR-4VN500-10 | 350 – 1040 nm | 1.25 nm | 10 μm | 600 | 500 nm | |
| SR-4VN500-25 | 350 – 1040 nm | 1.65 nm | 25 μm | 600 | 500 nm | |
| SR-4VN500-50 | 350 – 1040 nm | 2.55 nm | 50 μm | 600 | 500 nm | |
| SR-4VN500-100 | 350 – 1040 nm | 4.62 nm | 100 μm | 600 | 500 nm | |
| SR-4VN500-200 | 350 – 1040 nm | 9.24 nm | 200 μm | 600 | 500 nm | |
| NIR options: | SR-4N750-5 | 570 – 860 nm | 0.58 nm | 5 μm | 1200 | 750 nm |
| SR-4N750-10 | 570 – 860 nm | 0.63 nm | 10 μm | 1200 | 750 nm | |
| SR-4N750-25 | 570 – 860 nm | 0.83 nm | 25 μm | 1200 | 750 nm | |
| SR-4N750-50 | 570 – 860 nm | 1.28 nm | 50 μm | 1200 | 750 nm | |
| SR-4N750-100 | 570 – 860 nm | 2.31 nm | 100 μm | 1200 | 750 nm | |
| SR-4N750-200 | 570 – 860 nm | 4.62 nm | 200 μm | 1200 | 750 nm | |
| SR-4N1000-5 | 600 – 1050 nm | 1.17 nm | 5 μm | 600 | 1000 nm | |
| SR-4N1000-10 | 600 – 1050 nm | 1.25 nm | 10 μm | 600 | 1000 nm | |
| SR-4N1000-25 | 600 – 1050 nm | 1.65 nm | 25 μm | 600 | 1000 nm | |
| SR-4N1000-50 | 600 – 1050 nm | 2.55 nm | 50 μm | 600 | 1000 nm | |
| SR-4N1000-100 | 600 – 1050 nm | 4.62 nm | 100 μm | 600 | 1000 nm | |
| SR-4N1000-200 | 600 – 1050 nm | 9.24 nm | 200 μm | 600 | 1000 nm | |
| Extended-range options: | SR-4XR250-5 | 190 – 1050 nm | 1.43 nm | 5 μm | 500 | 250 nm |
| SR-4XR250-10 | 190 – 1050 nm | 1.54 nm | 10 μm | 500 | 250 nm | |
| SR-4XR250-25 | 190 – 1050 nm | 2.03 nm | 25 μm | 500 | 250 nm | |
| SR-4XR250-50 | 190 – 1050 nm | 3.13 nm | 50 μm | 500 | 250 nm | |
| SR-4XR250-100 | 190 – 1050 nm | 5.67 nm | 100 μm | 500 | 250 nm | |
| SR-4XR250-200 | 190 – 1050 nm | 11.34 nm | 200 μm | 500 | 250 nm | |
| Integration time | 3.8 ms – 10 s | |||||
| SNR (single scan @ 10 ms) | 250:1 | |||||
| SNR (max. per second w/High Speed Averaging Mode) | 3,000:1 | |||||
| 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 | |||||
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