| Lamp rating |
450W |
| Typical lamp current |
27A |
| Lamp lifetime |
2000h |
| Current sensing |
Current transducer coupled to ORM400 |
| Monochromator configuration |
Asymmetric, single Czerny-Turner |
| Focal length |
300mm |
| Grating mount and drive |
Stepping motor driven triple grating turret |
| Diffraction gratings installed |
2400 groove/mm holographic, 250nm blaze
1200 groove/mm ruled, 400nm blaze
1200 groove/mm ruled, 500nm blaze |
| Grating size |
2400 g/mm– 68x84mm
1200 g/mm—90x90mm |
| Aperture ratio |
f/3.6 (at all grating angles) |
| Number of entrance/exit ports |
1 entrance, 1 exit |
| Slit type |
Internal motorised variable |
| Slit width & height |
10µm-10mm (W) x 20mm (H) |
| Order sorting |
6-position filter wheel (includes shutter), 25mm diameter filters |
| Spectral range |
280-600nm |
| Maximum bandwidth |
2400 g/mm– 13.5nm
1200 g/mm—27nm |
| Wavelength accuracy |
± 0.1nm (2400 g/mm ); ± 0.2nm (1200 g/mm ) |
| Wavelength reproducibility |
± 0.025nm (2400 g/mm ); ± 0.05nm (1200 g/mm ) |