- +86 571 8501 2111
- fpi-online@fpi-inc.com
- 459 Qianmo Road, Distrito de Binjiang, Hangzhou, China
The turbidity online sensor adopts the 90° infrared light scattering method and is equipped with a built-in cleaning brush. It features functions such as calibration, data logging, analysis, and diagnostics. The sensor uses an RS485 interface and supports the standard Modbus protocol.
Infrared scattering light technology: when a light beam is directed at the sample solution, particles within the solution scatter the light. As shown in the diagram below, the angle between the emitted infrared light and the detection path is 90° (in accordance with ISO 7027). The intensity of the scattered light received by the detector correlates with the turbidity of the water. Therefore, by measuring the intensity of the scattered light, the turbidity of the sample can be determined.
| Product Model | TUR-200 | TUR-210 | FT-200 |
| Princípio | 90-degree infrared light scattering method | 90-degree infrared light scattering method | 90-degree infrared light scattering method |
| Wavelength | 860nm | 860nm | 660nm |
| Measuring range | (0~1000/4000)NTU, other ranges customizable | (0~1000/4000)NTU, other ranges customizable | (0~20/100)NTU |
| Repetibilidade | ≤1% | ≤1% | ≤1% |
| Exatidão da medição | ±5% | ±5% | ±5% |
| Zero drift (24h) | ≤1%F.S | ≤1%F.S | ≤1%F.S |
| Span drift (24h) | ≤3%F.S | ≤3%F.S | ≤3%F.S |
| Detection limit | 0.015NTU | 0.015NTU | 0.015NTU |
| Resolução | 0.001NTU | 0.001NTU | 0.001NTU |
| Protection rating | IP68 | IP68 | IP68 |
| Interface de comunicação | RS485 communication with standard Modbus protocol; baud rates: 4800、9600、19200、38400、57600、115200 | RS485 communication with standard Modbus protocol; baud rates: 4800、9600、19200、38400、57600、115200 | RS485 communication with standard Modbus protocol; baud rates: 4800、9600、19200、38400、57600、115200 |
| Dimensões | (φ33*178) mm，10 meters (customizable) | (φ16*150) mm，10 meters (customizable) | (233*180*123) mm |
| Material | Available options: 316L stainless steel / PVC / titanium alloy | Aço inoxidável 316L | Composite material |
| Peso | 0,5 kg | 0.15kg | 1kg |
| Installation thread | Upper end: NPT 3/4 thread | Upper end top: M16 X-1 thread; Upper end bottom: M20 X-1.5 thread | / |
| Tensão de funcionamento | (9~36) V DC | (9~36) V DC | (9~36) V DC |
| MTBF | ≥1440h/tempo | ≥1440h/tempo | ≥1440h/tempo |
| Consumo de energia | 1 W (with motor brush in operation) 0.4 W (with motor brush inactive) | 0.4W | (1.5~12) W |
| Cleaning | Mechanical brush | Defoaming | Defoaming |
| Calibration interval | 3~6 month | 3~6 month | 3~6 month |
| Operating environment | (0~50) °C | (0~50) °C | (0~50) °C |
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