| Light spectrum bandwidth | 4nm |
| Wavelength range | 190~1100nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | 0.5nm |
| stray light | 0.3%T@220nm,360nm |
| Stability | ±0.002A/h |
| display | 128 * 64 check point matrix LCD display |
| Transmittance Accuracy | ±0.5%T |
| Transmittance, sexual repeability | 0.2%T |
| Transmittance Measurement range | 0.0~200%T |
| Absorbance range | -0.030-3.0A |
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;