| Model | NV-T1 | NV-T1N | |
| Optical System | Single, Grating 1200 line/mm | ||
| Wavelength Range | 350～1100nm | 325～1000nm | |
| Spectral Bandwidth | 5nm | ||
| Wavelength Accuracy | ±2nm | ||
| Wavelength Repeatability | ±1nm | ||
| Photometric Accuracy | ±0.8%T；±0.004Abs（0~0.5Abs）；±0.008（0.5-1.0Abs）； | ||
| Photometric Repeatability | ±0.2%T；±0.002Abs（0~0.5Abs）；±0.004（0.5-1.0Abs）； | ||
| Stray Light | ≤0.3%T, @360nm | ||
| Stability | ±0.003A/h@500nm | ||
| Photometric Range | 0～200℅T，-0.301～1.999A,0～9999C(0-9999F) | ||
| Display | |||
| Output | USB1.1 Connecting to computer＆Parallel port for printer | ||
| Power Requirement | AC90～250V/ 50～60Hz | ||
| Dimensions(L×W×H) | 400×310×120 | ||
| Weight | 7kg | ||
