| Transmittance accuracy | ≤±1.5% |
| Transmittance repeatability | ≤ 0.5% |
| Linear error | ≤5% |
| Mode of display | LCD |
| Interface | Network |
| Working environment | temperature: 0~40°C, humidity: 35~85% |
| Power adaptor | 220V to 5V/5A |