- Multi-parameter Water Analyzer
- Single-Parameter Water Aalyzer
- DO Sensor
- Trace DO Sensor
- CO₂ Sensor
- COD Sensor
- EC TDS Sensor
- Salinity EC TDS Sensor
- TSS Sensor
- Turbidity Sensor
- PH Sensor
- ORP
- Ion Selective Sensor
- Ammonia Nitrogen Sensor
- Oil in Water Sensor
- Blue-Green Algae Sensor
- Chlorophyll Sensor
- Residual Chlorine Sensor
- Marine Current Sensor
0102030405
90° Infrared Light Scattering Turbidity Sensor for Water Quality from China Suppliers and Factory
Product Parameters
| Product Name | Turbidity Sensor |
| Measurement Method | 90° Light Scattering Method |
| Range | 0–100 NTU / 0–3000 NTU |
| Accuracy | Less than ±10% of measured value (depending on sludge homogeneity) or 10 mg/L, whichever is greater |
| Power | 9–24 VDC (Recommend 12 VDC) |
| Size | 50 mm × 200 mm |
| Material | 316L Stainless Steel |
| Output | RS-485, MODBUS Protocol |
Product Features
①
90° Infrared Scattering Technology
Adhering to optical engineering standards, the sensor ensures high-precision turbidity measurements by minimizing chromaticity interference and ambient light effects.
②
Sunlight-Resistant Design
Advanced fiber-optic light paths and temperature compensation algorithms enable stable performance under direct sunlight, ideal for outdoor or open-air installations.
③
Compact & Low Maintenance
With a <5 cm proximity requirement to obstacles and minimal calibration volume (30 mL), it simplifies integration into tanks, pipelines, or portable systems.
④
Anti-Corrosion Construction
The 316L stainless steel housing withstands aggressive chemical environments, ensuring long-term reliability in industrial or marine applications.
⑤
Drift-Free Performance
Proprietary software algorithms and precision optics reduce signal drift, guaranteeing consistent accuracy across fluctuating conditions.
Application
1
Wastewater Treatment Plants
Monitor turbidity in real time to optimize filtration, sedimentation, and discharge compliance.
2
Environmental Monitoring
Deploy in rivers, lakes, or reservoirs to track sediment levels and pollution events.
3
Drinking Water Systems
Ensure water clarity by detecting suspended particles in treatment facilities or distribution networks.
4
Aquaculture Management
Maintain optimal water quality for aquatic health by preventing excessive turbidity.
5
Industrial Process Control
Integrate into chemical or pharmaceutical processes to ensure product quality and regulatory adherence.
6
Mining & Construction
Monitor runoff water turbidity to meet environmental regulations and mitigate risks of sediment-related pollution in surrounding ecosystems.
7
Research & Laboratories
Support scientific studies on water clarity, sediment dynamics, and pollution modeling with high-precision turbidity data.
Digital RS485 Water Quality Sensors Technical Data
| Parameter | Model | Range | Accuracy |
| DO Sensor | LMS-DO10B | 0–20 mg/L, 0–60℃ | ±0.1–0.3 mg/L |
| DO Sensor | LMS-DO10C | 0–20 mg/L, 0–60℃ | ±0.3 mg/L |
| Trace DO Sensor | LMS-TDO100 | 0–2000 ppb, 0–50℃ | ±1 ppb |
| PH Sensor | LMS-PH100 | 0–14 pH | ±0.02 pH |
| ORP Sensor | LMS-ORP100 | ±1000.0 mV | ±0.2 mV |
| EC/TDS Sensor | LMS-TDS102 | CT: 0–9999 uS/cm; 0–100 mS/cm; TDS: 0–10000 ppm |
±2.5% FS |
| Salinity/EC/TDS Sensor | LMS-SAL104 | Conductivity: 0.1–500 mS/cm TDS: 0–60000 ppm Salinity: 0–500.00 ppt |
±1.5% FS |
| COD Sensor | LMS-COD100 | COD: 0.1–1500 mg/L TOC: 0.1–750 mg/L BOD: 0.1–900 mg/L Turbidity: 0.1–4000 NTU Temperature: 0–50℃ |
±5% equiv. KHP Temperature: ±0.5℃ |
| TSS Sensor | LMS-TSS100 | 0–50000 mg/L / 0–120000 mg/L | ±10% FS or 10 mg/L |
| Turbidity Sensor | LMS-TUR10L | 0–100 NTU | ±10% FS or 0.3 NTU |
| Turbidity Sensor | LMS-TUR10H | 0–3000 NTU | ±10% FS or 0.3 NTU |
| CO₂ Sensor | LMS-CO2100 | 2000 PPM / 10000 PPM / 50000 PPM | ±5% FS |
| Ammonia Nitrogen Sensor | LMS-NH4100 | 0–1000 mg/L | ±5% FS |
| Ion Selective Sensor | LMS-ION100 | 0–1000 mg/L | ±5% FS |
| Oil in Water Sensor | LMS-OIL100 | 0–50 mg/L; 0–5 mg/L | ±3% FS |
| Chlorophyll Sensor | LMS-CHL100 | 0–500 ug/L | ±3% FS |
| Blue-Green Algae Sensor | LMS-BGA100 | 0–2,000,000 cells/mL | ±3% FS |
| Residual Chlorine Sensor | LMS-HCLO100 | 0–20.00 ppm | ±5% FS |
| Marine Current Sensor | LMS-Current100 | Temperature: -3℃ – 45℃ Velocity of flow: 0–500 cm/s Flow direction: 0–359.9° |
±0.05℃ ±1 cm/s or ±2% ±2° |
Frequently Asked Questions (FAQ)
Q What measurement principle does this turbidity sensor use?
The sensor uses the 90° infrared light scattering method, which detects the intensity of light scattered at a right angle to the incident beam. This approach minimizes interference from color and ambient light, delivering highly accurate turbidity readings.
Q What is the measurement range of the turbidity sensor?
Two models are available: LMS-TUR10L covers 0–100 NTU for low-turbidity applications such as drinking water, while LMS-TUR10H covers 0–3000 NTU for high-turbidity environments such as wastewater treatment or industrial processes.
Q Can the turbidity sensor be used outdoors under direct sunlight?
Yes. The sensor features a sunlight-resistant design with advanced fiber-optic light paths and temperature compensation algorithms, enabling stable and reliable performance even under direct sunlight — making it suitable for outdoor rivers, lakes, and open-air installations.
Q What communication protocol does the sensor support?
The turbidity sensor outputs data via RS-485 using the MODBUS protocol, which allows easy integration into PLCs, data loggers, SCADA systems, and other industrial control platforms.
Q What material is the sensor housing made of, and is it suitable for harsh environments?
The sensor housing is constructed from 316L stainless steel, which provides excellent resistance to corrosion, aggressive chemicals, and seawater. This makes it ideal for industrial, marine, mining, and wastewater applications where harsh chemical conditions are common.
Q How often does the turbidity sensor require calibration or maintenance?
Thanks to its drift-free design with proprietary software algorithms and precision optics, the sensor requires minimal maintenance. Calibration requires only 30 mL of solution, and the compact design (<5 cm proximity requirement) simplifies installation and upkeep in tanks, pipelines, or portable systems.





















