| Light spectrum Bandwidth | 4nm |
| Wavelength range | 325~1000nm |
| Wavelength Precision | ±2nm |
| Wavelength Repeatability | ≤0.5nm |
| Photometric range | 0~200%T、-0.3-3A、0~9999C |
| Photometric Precision | ±0.5%T |
| Luminosity Repeatability | ≤0.2%T |
| stray light | ≤0.2%T@360nm |
| Stability | ±0.002A/h@500nm |
| Interface | USB port |
| printout | Parallel port |
| monitor | LED digital display |
| Light source | Tungsten lamp |
| Detector | Imported silicon photodiode |
| Power Supply | AC 85V~250V |
| Dimensions | 420*280*180mm |
| Weight | 8kg |
Warranty days: 365 days