ZH480-ONL Online Ultraviolet Intelligent Analysis System

ZH480-ONL

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ZH480-ONL Online UV Intelligent Analysis System — Reagent-Free Water Quality Monitoring

The ZH480-ONL is a continuous, non-contact UV spectroscopic analyzer for water, wastewater, and industrial process liquids. Using multi-wavelength UV absorption and fluorescence with intelligent spectral fingerprinting, it simultaneously measures COD, BOD, TOC, nitrate, nitrite, and UV254 — in real time, without reagents, directly in the process stream.

  • Reagent-free: multi-wavelength UV spectrophotometry
  • Measures: COD, BOD, TOC/DOC, NO₃, NO₂, SAC254, UV254
  • IP68-rated immersion probe with self-cleaning optics
  • Modbus RTU/TCP, 4–20mA, Profibus — SCADA/PLC ready
  • Configurable measurement intervals down to seconds
Reagent-Free UV Spectroscopy — Lab Accuracy, Zero Chemicals
The ZH480-ONL eliminates chemical reagents entirely by using multi-wavelength UV spectrophotometry to measure COD, TOC, nitrate, and more directly in the process stream. Intelligent “smart spectra” algorithms automatically compensate for turbidity and cross-sensitivities — delivering lab-grade accuracy 24/7 with no consumables, no hazardous waste, and no manual intervention.

Real-Time Process Control

With configurable measurement intervals down to seconds, the ZH480-ONL delivers immediate feedback for chemical dosing optimization, early contamination warnings, and regulatory compliance monitoring. Live data flows directly into your SCADA or PLC via Modbus RTU/TCP, 4–20mA, or Profibus — no middleware required.

IP68 Immersion Probe — Built for Harsh Environments

The IP68-rated immersion probe features durable self-cleaning optical surfaces — available with air purge or mechanical wiper options — for drift-free, maintenance-minimal operation in demanding wastewater, industrial effluent, and process liquid environments.

Comprehensive Parameter Suite

Simultaneously monitor COD, BOD, TOC, DOC, Nitrate (NO₃), Nitrite (NO₂), SAC254, and UV254 Transmittance from a single probe. Replace multiple single-parameter sensors with one intelligent analyzer — reducing installation complexity, maintenance burden, and total cost of ownership.

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ZH480-ONL Online Ultraviolet Intelligent Analysis System — Reagent-Free Water Quality Monitoring

The ZH480-ONL from UVIRSYS is a state-of-the-art real-time spectroscopic solution engineered for continuous, non-contact monitoring of water, wastewater, and industrial process liquids. Leveraging high-precision UV absorption and fluorescence technology, it measures a comprehensive suite of water quality parameters — without a single chemical reagent.

Imagine your treatment plant’s SCADA system receiving live COD, nitrate, and TOC readings every few seconds — automatically compensated for turbidity, no lab samples, no waiting. That’s the ZH480-ONL working around the clock.

Intelligent Spectral Fingerprinting

Unlike conventional analyzers, the ZH480-ONL employs advanced “smart spectra” algorithms to automatically compensate for background turbidity, suspended solids, and interfering ions — delivering lab-grade accuracy in a compact, field-ready immersion probe. No manual corrections, no drift, no downtime.

Parameters Measured

  • COD (Chemical Oxygen Demand)
  • BOD & TOC / DOC
  • Nitrate (NO₃) & Nitrite (NO₂)
  • SAC254 & UV254 Transmittance

Key Features

  • Reagent-Free Operation: Multi-wavelength UV spectrophotometry eliminates chemical consumption and hazardous waste.
  • Rapid Response: Configurable measurement intervals down to seconds for immediate process control feedback.
  • Industrial-Grade Robustness: IP68-rated immersion probe with self-cleaning optical surfaces (air purge or wiper options) for drift-free operation in harsh conditions.
  • Seamless Integration: Modbus RTU/TCP, 4–20mA, and Profibus support for direct SCADA and PLC integration.
  • Intelligent Compensation: Automatic turbidity and cross-sensitivity correction for reliable readings in real-world process streams.

Key Applications

  • Municipal water & wastewater treatment plants
  • Industrial effluent monitoring and regulatory compliance
  • Chemical dosing optimization (coagulant, disinfectant)
  • Early contamination warning systems
  • Rivers, reservoirs, and drinking water intake monitoring

UVIRSYS — Making the invisible visible.

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