CHLO-206A is an integrated online chlorophyll digital sensor that uses advanced optical detection technology, integrates temperature sensing and dual signal output. It has the characteristics of accurate measurement, strong protection, convenient installation, low consumption and stability. It can monitor the chlorophyll content of water bodies online for a long time, accurately reflect the algal growth status of water bodies, and provide reliable data support for water environment monitoring, aquaculture, water source protection and other scenarios.
★★★★★
Parameters
| Parameter Item | Technical Index |
|---|---|
| Measuring Range | 0~400.0 ug/L |
| Resolution | 0.1 ug/L, 0.1℃ |
| Measuring Accuracy | ±3%, ±0.3℃ |
| Operating Environment | Temperature: 0~50℃, Pressure: <0.2MPa, Water Depth: Within 20m |
| Storage Temperature | -5~65℃ |
| Signal Output | RS-485 (Modbus/RTU), 4-20mA (Dual Output) |
| Power Supply | 12~24VDC, Power Consumption: 0.2W@12V |
| Housing Material | POM Material, Corrosion & Wear Resistant |
| Protection Grade | IP68, Long-term Immersion Available |
| Calibration Method | Two-point Calibration (Zero Point + Slope) |
| Cable Configuration | Standard: 5m 4-core Twisted Shielded Cable, Customizable Length |
| Mounting Method | 3/4NPT Pipe Thread, Immersion Mounting |
Why choose this digital sensor?
- Built-in temperature sensor with ±3% high accuracy for precise optical detection
- Two signal outputs: RS-485 and 4-20mA; works with a lot of devices
- Industrial protection: IP68 rating, POM housing, can be used in water up to 20m deep
- Easy to set up and uses little power: 3/4NPT thread, 0.2W@12V, and works for 24 hours straight.
- Easy to take care of: cleaning the windows is easy, and calibration only needs to be done every two points.
Featured Applications
- Environmental water quality monitoring: Chlorophyll monitoring of rivers, lakes, reservoirs, and oceans to reliably assess eutrophication.
- Controlling aquaculture: monitoring freshwater and seawater ponds and circular aquaculture systems, warning of excessive algal growth, and protecting aquaculture water bodies ecologically.
- Online chlorophyll monitoring in water plants and drinking water sources prevents algal pollution and ensures drinking water safety.
- Landscape water management: monitoring park artificial lakes, residential landscape pools, and urban rivers to maintain water quality and prevent algae blooms.
Installation and wiring
Installation requirements
- Adopting 3/4NPT pipe threads for immersion installation, the installation position should be kept at least 3cm away from the side wall of the water body and at least 10cm away from the bottom, avoiding dead zones of water flow and areas with dense bubbles;
- Avoid severe mechanical impact on sensors during installation to prevent damage to optical components;
- Cable laying should avoid tension to prevent internal circuit breakage and ensure stable signal transmission.
Electrical wiring (4-core twisted pair shielded wire+yellow current output wire)
- Red line: power cord (12~24VDC)
- Black wire: Ground wire (GND)
- Blue line: 485A
- White line: 485B
- Yellow line: 4-20mA current output (can be suspended when not in use)
All wiring connections must be waterproofed and sealed, and anti-corrosion external cables should be used for outdoor/underwater use.
Maintenance
- Regularly rinse the sensor with tap water, and gently wipe stubborn dirt with household detergent to keep the measuring window clean;
- Check whether the cables are damaged or tight, adjust and fix them in a timely manner to avoid line faults;
- When the error exceeds the limit, perform two-point calibration. During calibration, the front end of the sensor should be at least 10cm away from the bottom of the container, and let it stand for 3-5 minutes before operation;
- Long term disuse and cleaning of sensors, proper drying protection, and storage in a dry environment of -5~65 ℃.
Technical Support
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The CHLO-206A online chlorophyll sensor relies on advanced optical detection technology, industrial grade protection design, and flexible adaptability of dual signal output to accurately capture changes in water algae, providing real-time and reliable data support for water eutrophication warning and scientific water quality control. We will assist various industries in efficiently carrying out water quality monitoring work with professional product quality and comprehensive technical after-sales service, and work together to safeguard the safety of water ecological environment.
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