| Measuring Range | 0-199 | Measuring Condition | 45/0 |
| Whiteness Mean | Whiteness degree of blue light Wb=R457 | Minimum Readout | 0.1 |
| Calibrate | 15 | Zero Draft | 0.1 |
| Basic Error | 1 | Repeatability | 0.2 |
| External Dimension | 235*75*65 mm | ||
| Power Supply | DC 1.5V, 5 AA alkaline dry cells AC 220V/50Hz DC7.5V 0.2A power supply adapter | ||