Complaint
| Model | V721 | V722 | V722(N.S) |
| Optical System | Czerny-Turner(1200L/mm grating) | ||
| Wavelength Range | 320-1020 nm | 320-1020 nm | 320-1020 nm |
| Spectral Bandwidth | 6 nm | 5 nm | 4 nm |
| Wavelength Accuracy | ±2 nm | ||
| Wavelength Repeatability | 1 nm | 0.5 nm | |
| Photometric Accuracy | ±1%T | ±0.5%T | |
| Photometric Repeatability | 0.5%T | 0.2%T | |
| Photometric Range | 0-200%T, -0.3A~3A,0-999C | ||
| Stray light | 0.2%T | 0.1%T | |
| Stability | 0.004 A | 0.002A | |
| Baseline Flatness | ±0.004A/h@500nm | ±0.002A/h@500nm | |
| Noise | 0.3%T | 0.2%T | |
| Wavelength Setting | Auto | ||
| Work Mode | T, A, C | ||
| Light Source | Tungsten lamp | ||
| Display | 4 LCD | ||
| Detector | Silicon Photodiode | ||
| Output | RS-232 port | ||
| Power | AC 220V/50Hz or AC 110V/60Hz | ||
| Dimension | 420*350*200mm | ||
| Net Weight | 8kg | ||
| Shipping Size | 520*450*320mm | ||
| Gross Weight | 10kg | ||
