The T92+ wavelength range is 190–900nm and the instrument has a User Defined Variable Bandpass from 0.1nm – 5.0nm. The photo metric range is -4 to +4 Abs.
T92波长范围为190~900 nm，仪器具有用户定义的0.1nm~5.0nm的可变带通。摄影测量范围是-4到4 Abs
具有全息光栅的Czerny-Turner单色器使杂散光保持最小并提供极好的光学分辨率。
光电倍增管作为检测器的使用提供了卓越的灵敏度
T92的真双光束光学系统与高效且成熟可靠的电子控制系统相耦合，确保了高稳定性和低背景噪声
| Optical System | Czerny-Turner Monochromator with high resolution grating |
| Spectral Band width | 0.1 – 5nm user definable in steps of 0.1nm |
| Working Mode | PC Mode with USB connection. |
| Software Support | UV/Win-Pro Software |
| Wavelength range | 190 – 900nm |
| Wavelength Accuracy | ± 0.3nm (Automatic Wavelength Correction) |
| Wavelength Reproducibility | 0.1nm |
| Light Source | Automatic interchange (selectable within the working range of light source) |
| Stray Light | ≤ 0.01% T (220nm) |
| Photometric mode | Transmission, Absorption, Reflectance, Energy & Concentration |
| Photometric Range | -4.0 to 4.0 Abs |
| Photometric Accuracy | ± 0.002Abs (0-0.5A)± 0.004Abs (0.5 -1.0A) ± 0.3%T (0-100%T) |
| Photometric Reproducibility | 0.001Abs (0 – 0.5A) |
| Baseline Flatness | ± 0.001Abs |
| Baseline Stability | 0.0004Abs/Hr (500nm, after pre heat) |
| Photometric Noise | ± 0.001Abs (500nm,0Abs, 2nm Spectral Bandwidth) |