Self-Cleaning Online Digital Chlorophyll Sensor For Monitoring Freshwater Lake Chlorophyll
1. Overview
Online chlorophyll digital sensor, adopts leading optical fluorescence technology, fiber- optic structure, has extremely low power consumption, very stable test performance, compact and lightweight. Measure directly and control the latest water quality status in real time, which is simpler than traditional analysis methods. It can be used for research, investigation and monitoring of rivers, lakes, ponds, marine surveys, aquaculture, drinking water sources, algae and phytoplankton.
2. Features
-Digital sensor, RS485 output, support Modbus
-Built-in temperature sensor
-0 ~ 50 ℃; IP68 protection
-Optical fiber structure, which can reduce the influence of stray light on the measurement
-Measure directly, easier than traditional analysis methods
-With automatic cleaning brush to prevent contamination and eliminate airbubbles
3. Technical parameter
Product name | Self-cleaning Chlorophyll Sensor |
Range | 0~400ug/L or 0~100RFU |
Detection limit | 0.1 ug/L |
Temperature range | 0~ 50°C |
Protection level | Ip68 |
Max Pressure | 1 bar |
Sensor interface | Support RS-485, MODBUS protocol |
Installation | Input type |
Power information | DC 6~12V, current <50mA |
Size | Φ45*175.8mm |
Probe cable length | 5 meters (default), can be customized |
Housing material | SS316 |
Self-cleaning system | Have |
4. Photos

5. Calibration of Chlorophyll Sensor
a. The chlorophyll sensor software (see the modbus manual) supports 1 or 2 points calibration.
b. The more common environmental research dye, rhodamine B, can be
used in sensor calibration.