EQMS - Effluent Quality Monitoring System

This UV-Vis optical water quality sensor measures COD, BOD and TSS using full-spectrum absorbance from 190 to 720 nm wavelength. Designed for continuous online monitoring, it features a high-precision photodetector placed at 180° to capture transmitted light and correlate absorbance to organic load and suspended solids. With multipoint calibration function, the sensor delivers accurate results across diverse wastewater and industrial effluent streams.

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UV-LED source range from 190 to 720 nm for COD/BOD organics detection
Optional TSS detection
180° light absorption measurement for highest stability
Direct in-situ monitoring — no reagents required
Multipoint calibration function for COD, BOD and TSS
Automatic fouling compensation (optional air purge)
High corrosion resistance: SS316 body
Factory and user calibration modes
Low power, long-life optical components
Compatible with PLC/SCADA: RS485 Modbus RTU

Measurement Parameters:- COD, BOD, TSS
Measuring Principle:- UV-Vis spectrophotometry, 190–720 nm
Detection Angle:- 180° transmission photometry
Optical Path Length:- 2mm/5mm
Calibration Multipoint calibration; separate Factory and User calibration modes
COD Measurement Range :- 0–500 / 0–1000 / 0–3000 ppm (as per model)
TSS Measurement Range:- 0–500 ppm
Accuracy:- 3-5% of F.S.
Response Time:- < 5 seconds
Ambient Temperature 0 to 60 °C
Permissible Sample Water Temperature :-0 to 90 °C
Sensor Body:- SS316
Optical Window Material:- Quartz
Dimensions:- Ø 48 mm x 250 mm (length)
Weight:- 1.5 kg (with 10 m cable)
IP Rating:- IP68 – fully submersible
Cable Length:- 10 m standard (Extendable)
Output Signals:- RS485 (Modbus RTU)
Supply Voltage :-12–24 V DC
Optional Auto Cleaning :-Automatic Air blast
Certifications :-CE / TUV

EQMS - Effluent Quality Monitoring System

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