- +86 571 8501 2111
- fpi-online@fpi-inc.com
- 中国浙江省杭州市濱江区銭墨路459号
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The transparency online sensor is based on the light transmission method. It is equipped with a built-in cleaning brush that automatically removes bubbles and reduces fouling interference during measurement. The sensor uses an RS485 interface and supports the standard Modbus protocol, enabling fast and accurate assessment of water clarity.
Traditional methods for measuring water transparency include the Secchi disk method, the lead character method, and the cross method. The latter two rely on visual observation after sampling and are unable to provide values when water transparency exceeds the length of the measuring tube. The Secchi disk, a 20 cm diameter disk divided into black and white halves, is lowered into the water until it is no longer visible—the depth at which it disappears represents the transparency.
This sensor improves upon traditional methods by replacing human visual observation with a system composed of a visible light source, photodiode, and quartz window. This enables real-time, online monitoring of water transparency.
| 製品モデル | Tran-200 |
| 動作原理 | Photometric method |
| 測定範囲 | （0~50）m |
| 測定精度 | 2% or ± 2cm |
| Linear error | 5% |
| 保護レベル | IP68 |
| 通信インターフェース | RS485, standard Modbus protocol |
| 寸法： | (Φ32*175)mm, cable 10 meters (can be customized) |
| 素材 | 316L (Customizable Titanium Alloy) |
| 重量 | 705 g |
| 取り付けネジ | 上端NPT3/4ネジ |
| maximum pressure | 0.3 Mpa |
| 設置方法： | Input |
| 動作電圧 | 12/24 V DC |
| MTBF | ≥ 1440h/回 |
| 洗浄方法： | メカニカルブラシ |
| 消費電力 | 0.3w |
| 職場環境 | （0~50）℃ |
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