| Wavelength range | 210nm-800nm |
| Wavelength accuracy | 2nm |
| Wavelength repeatability | 1nm |
| Transmittance accuracy | ±0.5% (t) (NBS930D) |
| Transmittance repeatability | £0.2% (t) |
| Spectrum bandwidth | 5nm |
| Stray light | £ 0.5% (t) (at 220nm, Nal) |
| Stability | Dark current drift: 0.2% (t)/3min |
| Light current drift: 0.5%(t)/3min |