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| MOQ | 1 Piece/Pieces |
| Place of Origin | Zhejiang, China | Brand Name | West Tune |
| Model Number | SPAD-502PLUS | Power | electronic, 2 AA batteries (1.5V) |
| Measuring mode | 2 wavelengths optical density difference | Measuring area | 2 mm*3 mm |
| Sensor | Silicon semiconductor photodiode | Display mode | LCD, 4 decimal places, tendency chart |
| Measuring range | -9.9 to 199.9 SPAD units | Memory capacity | 30datum, automatically calculate and display average value |
| Battery life | More than 20,000 times | Test interval | 2s |
| Working environment | 0-50°C |
Floor4 No.6 building No.1324 Wenyi west road,Cangqian street,Yuhang district,hangzhou
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