specbos 1301是一款可见光分光辐射度计，通过积分球来测试光源的光通量。
| Spectral range | 380-780nm |
| Optical bandwidth | 5nm |
| Digital electronic resolution | 15 bit ADC |
| Dispersive element | Diffraction grating |
| Wavelength resolution | 1nm |
| Light receiving element | Photodiode array 1024 pixel (binned) |
| Measuring values | Spectral radiant flux Total radiant flux/ luminous flux Chromaticity coordinates x,y; u’,v’ Correlated Color Temperature Dominant wavelength, color purity Color Rendering Index |