| Light spectrum Bandwidth | 2nm |
| Wavelength range | 320~1000nm |
| Wavelength Precision | ±1nm |
| Wavelength Repeatability | 0.5nm |
| stray light | ≤0.05%T |
| Noise level | 0.0005A |
| Stability | ±0.001A/h |
| Baseline flatness | ±0.002A |
| Interface | USB RS-232 |
| Transmittance Precision | ≤0.3%T |
| Transmittance Repeatability | 0.1%T |
| Measurement range of transmittance | 0~200%T |
| Absorption range | -0.4~4A |
| Display range of concentration | 0~99999 |
| Wavelength Drive | automatic |
| Scanning speed | High, medium and low |
| dynamics | have |
Warranty days: 365 days