Multi-Parameter SensorsTL-EUV-408

Multi-Parameter Water Quality Sensor (Simulated Spectrum)

Multi-Parameter Water Quality Sensor (Simulated Spectrum) — TL-EUV-408
Multi-Parameter Sensors

Multi-Parameter Water Quality Sensor (Simulated Spectrum)

TL-EUV-408

Simulated full spectrum sensor measuring 12 parameters. Cost-effective, IP68, RS485 output.

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Product Overview

The TL-EUV-408 uses simulated full spectrum absorption technology to simultaneously measure COD, Chroma, TOC, Turbidity, BOD, CODMn, TP, TN, NHN, NO2, NO3, and Temperature. Cost-effective alternative to the full spectrum FUV model with comparable accuracy for most applications.

Working Principle

The sensor uses a continuous online measurement principle with automatic temperature compensation. The measurement signal is processed by an integrated microprocessor and transmitted via RS485 Modbus RTU for direct integration with PLCs, data loggers, and SCADA systems. The 4–20 mA analog output provides compatibility with legacy control systems.

Wiring & Signal Output

Power supply: 12–24 V DC (standard); 220 V AC with adapter
Primary output: RS485 Modbus RTU (address configurable 1–247)
Analog output: 4–20 mA (proportional to measured value)
Relay output: 2 × SPDT relay for alarm / dosing control
Communication: Modbus RTU function codes 03 / 06 / 16
Cable entry: M16 cable gland, IP68 submersible cable available

Technical Specifications

ParameterValue
Measurement PrincipleSimulated full spectrum absorption
Measuring ParametersCOD + Chroma + TOC + Turbidity + BOD + CODMn + TP + TN + NHN + NO2 + NO3 + Temperature
Accuracy±5% FS
Signal OutputRS485 Modbus RTU
Power Supply12 VDC
Working Conditions0–45°C, 0–1 Bar
ProtectionIP68
InstallationSubmersible
CalibrationSpectral calibration
Cable Length5m (customizable)
Body Material316L Stainless steel

Key Features

  • 12 parameters in a single probe
  • Cost-effective simulated spectrum technology
  • Includes temperature measurement
  • Customizable cable length

Typical Applications

Municipal wastewater monitoringIndustrial effluentEnvironmental complianceProcess control

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