Introduction to Y518-A self-cleaning sludge concentration sensor
The Yushan Y518-A self-cleaning sludge concentration sensor is based on the principle of combined infrared scattering and follows ISO standards
7027 Infrared Double Scattering Ray Technology, unaffected by chromaticity, for determining sludge concentration values. Sapphire light guiding structure, with excellent repeatability and stability. Sensors require no reagents, are pollution-free, and are more economical and environmentally friendly; The built-in cleaning brush can eliminate bubbles and reduce the impact of contamination on measurement, making the maintenance cycle longer. Long term online use can maintain excellent stability.
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Sensor features:
Digital sensor, RS-485 output, standard MODBUS protocol;
Adopting infrared double scattering light technology, in compliance with the IS0 7027 international standard;
Sapphire optical window, customized filter, not easily affected by ambient light and chromaticity interference;

Built in calibration parameters, convenient for on-site use and secondary calibration.
Y518-A self-cleaning sludge concentration sensor parameters |
product name |
Sludge concentration sensor (large range) |
model |
Y518-A |
measuring principle |
Infrared scattering method |
range |
0-50000mg/L |
accuracy |
± 5% (depending on the homogeneity of activated sludge) |
resolution |
0.1mg/L |
temperature range |
0-50℃ |
Maximum pressure |
3bar |
protection grade |
IP68 |
interface |
RS-485, MODBUS protocol |
power consumption |
0.2W (without turning the brush) 0.8W (when turning the brush); Suggested power supply: DC 9-24V,>500mA |
size |
Φ55mm*214mm |
Length |
10 meters (default), customizable |
calibration |
1 or 2 point calibration |
Housing material |
POM+316LThe above technical parameters are all data obtained under laboratory standard solution environment; The lifespan and maintenance calibration frequency of sensors are related to the actual on-site working conditions.
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Suzhou Yushan Sensing Technology Co., Ltd