model |
V-T3 |
V-T3A |
Optical system |
Self-aligning, 1200 line / mm holographic grating |
Spectral bandwidth |
4nm |
2nm |
Wavelength range |
320—1100nm |
Wavelength accuracy |
±0.8nm |
Wavelength repeatability |
0.4nm |
Wavelength display |
0.1nm |
Photometric accuracy |
±0.5%T |
Photometric repeatability |
±0.2%T |
Photometric range |
0-200℅T,-0.3-3A,0-9999C(0-9999F) |
Stability |
±0.002A/h(500nm, After warming up ) |
Data Display |
128×64 Dot-matrix LCD |
Stray light |
≤0.1%T, At 360nm |
Operating system language |
Automatic switching between English and Chinese |
Data output |
USB interface, Centronics parallel port (optional micro-internal and external printer) |