Biological SensorsTL-BGA-206A
Blue-Green Algae Sensor
Biological Sensors
Blue-Green Algae Sensor
TL-BGA-206A
Optical fluorescence cyanobacteria sensor. Range 0–300 Kcells/mL, IP68, RS485 + 4-20mA.
Request a QuoteProduct Overview
The TL-BGA-206A uses optical fluorescence excitation to detect blue-green algae (cyanobacteria) concentration. Essential for early warning systems in drinking water reservoirs, lakes, and recreational water bodies.
Working Principle
The sensor uses a continuous online measurement principle with automatic temperature compensation. The measurement signal is processed by an integrated microprocessor and transmitted via RS485 Modbus RTU for direct integration with PLCs, data loggers, and SCADA systems. The 4–20 mA analog output provides compatibility with legacy control systems.
Wiring & Signal Output
Power supply: 12–24 V DC (standard); 220 V AC with adapter
Primary output: RS485 Modbus RTU (address configurable 1–247)
Analog output: 4–20 mA (proportional to measured value)
Relay output: 2 × SPDT relay for alarm / dosing control
Communication: Modbus RTU function codes 03 / 06 / 16
Cable entry: M16 cable gland, IP68 submersible cable available
Technical Specifications
| Parameter | Value |
|---|---|
| Measurement Principle | Optical fluorescence |
| Measuring Range | 0–300.0 Kcells/mL |
| Accuracy | ±3% FS |
| Resolution | 0.1 Kcells/mL |
| Working Conditions | 0–50°C, 0–2 Bar |
| Power Supply | 12–24 VDC |
| Connection | 3/4" NPT Thread |
| Signal Output | RS485 Modbus RTU + 4-20mA |
| Calibration | 2-point calibration |
| Protection | IP68 |
| Cable Length | 5m |
| Material | Stainless steel |
Key Features
- Optical fluorescence for cyanobacteria detection
- Early warning capability for algae blooms
- Continuous online monitoring
- Suitable for reservoir and lake deployment
Typical Applications
Drinking water reservoirsLakes and recreational waterEnvironmental monitoringEarly warning systems
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