Product Overview
The SX-CSNDA Series self-cleaning suspended solids (SS) sensor uses ISO 7027-compliant dual infrared scattering technology to measure sludge concentration. An adaptive software algorithm minimizes interference from ambient light, while the sapphire optical window provides high repeatability and stability. The sensor requires no reagents and generates no chemical waste. The integrated self-cleaning brush reduces bubble formation and fouling-related measurement interference, extending maintenance intervals during long-term online monitoring.
Main Features
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Digital sensor with RS-485 output, standard Modbus protocol
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Uses ISO 7027-compliant dual infrared scattering technology
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Sapphire optical window with customized optical filter, resistant to ambient light and sample color interference
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Equipped with self-cleaning brush to prevent microbial fouling extending maintenance interval
- Built-in calibration parameters for convenient field use and recalibration
Product Application
Industries Served
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Sludge concentration monitoring in wastewater treatment plants
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Industrial process water monitoring
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Technical Data
| Measurement | |
| Product Type | Sludge Concentration (SS) Sensor |
| Measurement Principle | Infrared scattering method |
| Measurement Range | 0–50,000 mg/L |
| Resolution | 0.1 mg/L |
| Accuracy & Calibration | |
| Accuracy | ±5% (depends on the homogeneity of the activated sludge) |
| Calibration | 1-point or 2-point calibration |
| Power & Communication | |
| Supply Voltage | DC 9–24 V, >500 mA |
| Power Consumption | 0.2 W idle / 0.6 W while brushing |
| Digital Communication | RS-485 / Modbus |
| Environmental Conditions | |
| Operating Temperature | 0–50 °C (32–122 °F) |
| Maximum Pressure | 3 bar (43.5 psi) |
| Ingress Protection | IP68 |
| Mechanical & Materials | |
| Housing Material | POM + 316L |
| Dimensions | Φ55 mm × 214 mm |
| Cable Length | 10 m standard, customizable |
Certifications & Compliance
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