- 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
UV Fluorescent BGA Meter for Algal Monitoring - China Supplier Factory for Aquatic Environment Solutions
Product Parameters
| Product Name | Blue-Green Algae Sensor |
| Measurement Method | Fluorescent |
| Range | 0–2,000,000 cells/ml Temperature: 0–50℃ |
| Accuracy | ±3% F.S. Temperature: ±0.5℃ |
| Power | 9–24 VDC (Recommended: 12 VDC) |
| Size | 48mm × 125mm |
| Material | 316L Stainless Steel |
| Output | RS-485, MODBUS Protocol |
Product Features
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①Single UV Light Source Technology The sensor employs a specialized UV light source to excite chlorophyll fluorescence in algae, effectively filtering out interference from suspended particles and chromaticity. This ensures highly accurate and stable measurements even in complex water matrices.
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②Reagent-Free & Pollution-Free Design No chemical reagents are required, eliminating secondary pollution and reducing operational costs. This eco-friendly design aligns with sustainable water management practices.
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③24/7 Online Monitoring Capable of uninterrupted, real-time operation, the sensor provides continuous data for early detection of algal blooms, compliance reporting, and ecosystem protection.
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④Automatic Turbidity Compensation Advanced algorithms dynamically adjust measurements to account for turbidity fluctuations, ensuring reliable performance in sediment-rich or variable-quality water.
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⑤Integrated Self-Cleaning System A built-in wiper mechanism prevents biofilm accumulation and sensor fouling, minimizing manual maintenance and ensuring long-term reliability in harsh aquatic environments.
Application
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🌊1. Environmental Water Quality Protection Monitor lakes, rivers, and reservoirs to detect harmful algal blooms (HABs) in real time, enabling timely interventions to protect aquatic ecosystems and public health.
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🚰2. Drinking Water Safety Deploy in water treatment plants or raw water intake points to track algal concentrations and prevent toxin contamination in potable water supplies.
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🐟3. Aquaculture Management Ensure optimal water conditions for fish and shellfish farming by monitoring algae levels, preventing oxygen depletion and fish kills caused by excessive blooms.
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🌐4. Coastal and Marine Monitoring Track algal dynamics in coastal zones, estuaries, and marinas to mitigate ecological risks and comply with marine environmental regulations.
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🔬5. Research and Climate Studies Support scientific research on algal growth patterns, eutrophication trends, and climate change impacts with high-resolution, long-term data collection.
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 method does the Blue-Green Algae sensor use?
The LMS-BGA100 Blue-Green Algae sensor uses fluorescence-based detection. A specialized UV light source excites chlorophyll fluorescence in algae cells, and the emitted signal is measured to accurately determine algal concentration. This method effectively eliminates interference from suspended particles and water color.
Q What is the measurement range of the Blue-Green Algae sensor?
The sensor measures Blue-Green Algae concentrations from 0 to 2,000,000 cells/ml, with a temperature measurement range of 0–50℃. This wide range makes it suitable for both low-concentration monitoring in clean water bodies and high-concentration bloom detection.
Q Does the sensor require regular chemical reagents or maintenance?
No. The Blue-Green Algae sensor is completely reagent-free, eliminating the need for chemicals and reducing operational costs. Additionally, it features an integrated self-cleaning wiper mechanism that automatically removes biofilm and fouling, significantly reducing the frequency of manual maintenance.
Q What communication protocol does the sensor support?
The sensor outputs data via RS-485 using the MODBUS protocol, which is a widely adopted industrial standard. This allows easy integration with PLCs, data loggers, SCADA systems, and water quality monitoring platforms.
Q Can the sensor handle turbid or sediment-rich water conditions?
Yes. The sensor incorporates an automatic turbidity compensation algorithm that dynamically corrects measurements in response to turbidity fluctuations. This ensures accurate and reliable readings even in sediment-rich, murky, or variable-quality water environments.
Q What are the typical application scenarios for this sensor?
The Blue-Green Algae sensor is ideal for a wide range of applications including environmental water quality monitoring in lakes and rivers, drinking water treatment plant surveillance, aquaculture pond management, coastal and marine ecosystem monitoring, and scientific research on algal blooms and eutrophication. Its 24/7 continuous online monitoring capability makes it especially valuable for early warning systems.






















