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 |
| المبدأ | 90-degree infrared light scattering method | 90-degree infrared light scattering method | 90-degree infrared light scattering method |
| Wavelength | 860 نانومتر | 860 نانومتر | 660nm |
| Measuring range | (0~1000/4000)NTU, other ranges customizable | (0~1000/4000)NTU, other ranges customizable | (0~20/100)NTU |
| التكرار | ≤1% | ≤1% | ≤1% |
| دقة القياس | ±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 |
| قرار | 0.001 وحدة قياس الضوء | 0.001 وحدة قياس الضوء | 0.001 وحدة قياس الضوء |
| Protection rating | IP68 | IP68 | IP68 |
| واجهة الاتصال | 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 |
| الأبعاد | (φ33*178) mm,10 meters (customizable) | (φ16*150) mm,10 meters (customizable) | (233*180*123) mm |
| المواد | Available options: 316L stainless steel / PVC / titanium alloy | الفولاذ المقاوم للصدأ 316L | Composite material |
| الوزن | 0.5 كجم | 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 | / |
| جهد التشغيل | (9~36) فولت تيار مستمر | (9~36) فولت تيار مستمر | (9~36) فولت تيار مستمر |
| متوسط الوقت بين الأعطال | ≥1440 ساعة/الوقت | ≥1440 ساعة/الوقت | ≥1440 ساعة/الوقت |
| Power consumption | 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) درجة مئوية | (0~50) درجة مئوية | (0~50) درجة مئوية |
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