Description
| Measurement method | Optical density difference at two wavelengths |
| Measurement area | 2 mm×3 mm |
| Subject thickness | 1.2 mm maximum |
| Subject insertion depth | 12 mm (with stopper having position adjustable from 0 to 6 mm) |
| Light source | 2 LED elements |
| Receptor | 1 SPD (silicon photodiode) |
| Display | LCD panel showing 4-digit measurement value (values shown to first decimal place) and 2-digit number of measurements; Trend graph of values in memory can also be shown. |
| Display range | -9.9 to 199.9 SPAD units |
| Memory function | Memory capacity for up to 30 values; Calculation/display of average of data in memory also possible |
| Power source | 2 AA-size alkaline batteries |
| Battery life | More than 20,000 measurements (when using new alkaline batteries under Konica Minolta test conditions) |
| Minimum interval between measurements | Approx. 2 seconds |
| Accuracy | Within ±1.0 SPAD units (for SPAD value between 0.0 and 50.0 under normal temperature/humidity) |
| “*” added to display when measurement exceeds 50.0 SPAD units | |
| Repeatability | Within ±0.3 SPAD units |
| (SPAD value between 0.0 and 50.0 with no change in sample position) | |
| Dimensions | 78 (W) ×164 (H) ×49 (D) mm |
| Weight | 200 g (excluding batteries) |
