| Measuring area | 10mm |
| Measuring mode | 2-wavelength concentration difference of optical methods |
| Display mode | Measuring value: 3 digits liquid crystal display Measuring times: 2 digits liquid crystal display |
| Min measuring interval | < 2s |
| Measuring Range | 0.0-99.9 SPAD |
| Accuracy | ±1.0 SPAD |
| Repeat | ±0.3SPAD |
| Operating temperature | 0-50°C |
| Storage temperature | -20-55°C |
| Power | 2 AA batteries |
| Dimensions (L × W × H) | 155mm * 70mm * 42mm |
| Battery life | can maintain more than 20000 operations |
| Memory capacity | 30datum, automatically calculate and show the average. On: to open the power and OFF: to close the power. |
| AVG button | Calculate the average of data |
| Del (to move all data) button | Clear all the data |
| DISP button | Display stored datum |
| MEAS button | Press MEAS key to test |
| Weight | 320 grams (excluding batteries) |