Luminance Meter (XYL-III)
Application
All kinds of screen luminance measurement, surface luminance measurement
Specification
| Dynamic range |
0.1~100,000 CD/m² |
| Accuracy |
< ±5% |
| Sensitivity |
0.001 CD/m² |
| Repeatability |
0.001 CD/m² |
| View field |
7 degree |
| Relative spectral sensitivity of digital V(λ) sensor |
F1 < ±5.5% |
| Infrared response |
F3 < ±2% |
| Ultraviolet response |
F4 < ±1.5% |
| Fatigue |
F5 < ±0.5% |
| Nonlinear error |
F6 < ±1% |
| One range, no range-changing error |
f7 = 0 |
| Temperature effect |
±0.5%/°C |
| Refreshing frequency |
About 3n/s (≥1 CD/m²), 1n/2s (<1 CD/m²) |
| Display |
3-1/2 LCD display |
| Interface |
RS232 computer interface and software |
| Power supply |
XYL-III: 9V Battery (Portable); XYL-IV: AC220 (Desktop) |
| Size (L × W × H) |
XYL-III: 135 × 72 × 33 (mm) |