| model: | V-T1 | V-T1N |
| Optical system: | Self-aligning optical system, 1200 / mm holographic grating | |
| Wavelength range: | 340~1000nm | 325~1000nm |
| Spectral bandwidth: | 5nm | 4nm |
| Wavelength accuracy: | ±2nm | |
| Wavelength repeatability: | ±1nm | |
| Transmittance accuracy: | ±0.8%T | ±0.5%T |
| Transmittance repeatability: | ±0.4%T | ±0.2%T |
| Stray light: | ≤0.3%T, 在360nm处 | |
| Photometric range: | 0~200℅T,-0.301~2.5A,0~9999C(0-9999F) | |
| light source: | Tungsten lamp | |
| Data Display: | LED | |
| Data output: | 232 serial port (optional external mini serial printer) | |
| Input voltage and frequency: | 90~250V/AC 50~60Hz | |
