
Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units
Accurate, efficient, and reliable solution for effective dissolved oxygen monitoring, transforming water quality management in remote industrial treatment facilities.
Improved dissolved oxygen monitoring
Enhanced water quality management
Near Real-time data for effective treatment processes
Reduced quality-related challenges in remote locations.
Solution
The Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution delivers near-real-time measurement of dissolved oxygen (0-20 mg/L, 0-20 ppm, 0-200% saturation), water temperature, and biological activity trends across aeration basins, treatment lagoons, and natural waterways. By digitizing oxygen level tracking without expensive or complex wired telemetry, the system empowers industrial plant managers to optimize aeration blowers, sustain biological treatment processes, and protect aquatic life. Delivered pre-configured out of the box, the solution streams encrypted sensor telemetry directly to the Ellenex Software Platform.
This IoT-driven water quality monitoring solution provides several key advantages:
Zero-Touch Field Deployment: Delivered fully pre-programmed for immediate plug-and-play field setup in under 5 minutes without requiring local software setup, driver installation, or complex field provisioning.
Flexible Dual LPWAN Protocols: Freedom to choose between LoRaWAN® (ideal for private industrial plants or municipal facilities with zero ongoing airtime fees) or NB-IoT / LTE-M (for direct public cellular connections across spread-out discharge points).
Vendor-Agnostic Interoperability: Operates natively with the Ellenex Software Platform straight out of the box, while remaining fully compatible with third-party LoRaWAN Network Servers (LNS).
Luminescence Optical Precision: Utilizes phase-shift detection optical sensing technology to deliver drift-free dissolved oxygen readings without requiring electrolyte refills or constant flow.
Corrosion-Resistant Submersible Construction: Built with an IP68-rated submersible, corrosion-resistant optical sensor head paired with an IP68 UV-stabilized transmitter enclosure engineered for harsh outdoor and liquid environments.
Low Total Cost of Ownership: Combines an internal replaceable 3.6V Lithium battery with ultra-low-power firmware to achieve maintenance-free operational lifespans of up to 10 years.
Fast Capital Return: Accelerates ROI by automating manual grab sampling, optimizing aeration blower energy consumption, preventing biological process failures, and avoiding regulatory penalties. Learn More


Easy Install

Pre-Configured

Secure

Quick ROI

Rugged Design

Battery Operated
Our Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution provides a comprehensive approach to efficient water quality management and biological process control. By leveraging cutting-edge luminescence optical sensors, industrial facility managers, mining operators, and municipal water authorities can track, control, and optimize their treatment systems in real time. The result is a future-proof solution that not only addresses current environmental challenges but also adapts to changing industrial compliance demands, ultimately protecting infrastructure, public health, and aquatic ecosystems.
Connecting remote aeration tanks, biological lagoons, and environmental discharge points to a central digital network transforms static treatment infrastructure into an intelligent water quality network. By feeding continuous sensor data directly to a cloud platform, site engineers gain complete visibility over oxygen consumption curves while eliminating manual testing gaps.
Predictive Performance
Continuous historical logging of dissolved oxygen concentrations, saturation percentages, and water temperature metrics enables predictive biological process analytics and proactive aeration control. By tracking oxygen uptake rates (OUR) and seasonal temperature impacts over time, plant operators can forecast biological oxygen demand (BOD) spikes, optimize mechanical blower runtime, and schedule probe maintenance at the exact point of need. This data-driven approach prevents sludge die-offs, drastically reduces aeration energy costs, and stabilizes output water quality.
Compliance Assurance
Continuous automated logging from IP68 submersible optical sensors creates an unalterable, audit-ready digital ledger of effluent oxygenation levels, temperature, and aquatic health parameters. Replacing periodic manual grab sampling with continuous real-time telemetry delivered straight to the Ellenex Software Platform allows environmental managers to effortlessly verify adherence to EPA limits, NPDES permits, and local watershed regulations. Dynamic threshold alarms instantly flag dangerous hypoxic drops, enabling automated aeration boosts before fish kills or regulatory discharge penalties occur.
Battery-Powered Dissolved Oxygen Monitoring With LoRaWAN® Or NB-IoT/LTE-M Connectivity For Remote Industrial Water Treatment Units.
Core Operational Capabilities
Optical Dissolved Oxygen Sensing ElementLoRaWAN / NB-IoT / LTE-M
IP68 Weatherproof Sensor
IP66 UV-Protected Enclosure
Up to 10-Year Battery Life
Cloud / API / SCADA Integration

Advanced Dissolved Oxygen Monitoring for Remote Industrial Water Treatment Units
WQ-TU-DO

In the era of smart cities and IoT, the real-time monitoring of water quality parameters such as Dissolved Oxygen (DO) has emerged as a critical need for efficient and sustainable industrial water treatment.
Industrial Outdoor LoRaWAN Gateway Specifications
For customers deploying the LoRaWAN package, the high-performance industrial gateway provides complete self-managed coverage. It is pre-configured to forward packet data to the Ellenex Platform.

System Architecture
The integrated Solution telemetry platform is designed around a dual-LPWAN (Low Power Wide Area Network) hardware architecture, giving operators the flexibility to deploy either LoRaWAN or cellular-based (supporting NB-IoT and LTE Cat M1) network configurations depending on local infrastructure and regional topology. Both communication technologies represent the cutting edge of industrial IoT, designed to penetrate challenging physical barriers and achieve multi-kilo meter propagation distances while maintaining extremely low electrical current draws.
The Ellenex telemetry pipeline follows a streamlined 4-step end-to-end data flow designed to give customers total choice over their network infrastructure and software platform:
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Sensor: The single Ellenex battery-powered field device directly measures physical parameters, digitizes analog signals, applies factory calibration parameters, packages telemetry into AES-128 encrypted payloads, and manages low-power sleep modes within a unified unit. Learn More:
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Wireless Infrastructure Options:
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Option A (LoRaWAN Option): Transmits sub-GHz radio packets to an Ellenex Pre-Configured Outdoor Gateway. The gateway acts as a transparent Layer-1/Layer-2 RF-to-IP bridge. Learn More
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Option B (Cellular NB-IoT / LTE-M Option): Transmits encrypted telemetry directly across licensed 3GPP cellular networks to public mobile base station towers. Learn More.
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3. Network Core & Data Routing Layer: Encrypted sub-GHz packets are securely routed from the gateway to the Ellenex Network Server (LNS). The LNS manages crucial network functions—including device authentication, payload decryption, and frame deduplication—ensuring clean, secure sensor data is seamlessly delivered to Ellenex Software Platform.
4. Data Processing & Platform Visualization: All telemetry is ingested, decoded, and visualized seamlessly within the Ellenex Cloud Software Platform. The software transforms raw sensor data into actionable insights through real-time dashboards, historical trend analysis, threshold alerting, and device health management.

Connectivity & Visualisation Platform

With its advanced features and ease of use, Ellenex’s software platform enables effective monitoring and management of remote operations—ensuring efficient, sustainable, and reliable resource management.
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Encrypted ultra-low power communication protocol.
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Advanced device inventory.
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Integration of APIs for enterprise systems.
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Multi-tenant role-based access control.
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Data export and import.
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White-label platform for enterprise runs on private accounts.
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Variable alarm setting for high and low thresholds and multi-channel alerting.
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Sampling and transmission interval configuration.
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Transmission condition configuration.
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Other configurations and customizations available on request.
Ellenex's software platform is a comprehensive, user-friendly solution specifically designed for remote monitoring and management.
The platform offers a robust range of features tailored for off grid, distributed, and critical operations, including:
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Real-Time Data Visualization: Monitor live operational status, levels, and key metrics across all your locations from a centralized dashboard.
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Customizable Alerts & Notifications: Receive instant warnings for threshold breaches, sudden drops, or anomalous activity before minor issues become costly failures.
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Historical Data Analysis & Predictive Analytics: Track consumption patterns, analyze usage trends, and forecast future demand to optimize maintenance and supply schedules.
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Seamless System & API Integration: Easily feed raw or aggregated telemetry into your existing enterprise software, SCADA, or ERP systems using Ellenex’s secure Open API.
Key Benefits
Ellenex Software Platform Dashboard
Individual Device Details & Data Analytics View
Parameter Configuration and GPS Location View
Device Management Interface
Historical Data & Performance Analytics
Remote Command and Downlink Control Log





Ellenex Asset Monitoring App
Custom alert and Notification Setup Interface
Data Export and Reporting Interface
Webhook and Data Forwarding Interface
Sensor Calibration and Formula Configuration
Integration Options
A core competitive advantage of the solution is its complete pre-configured, plug-and-play design. Both the cellular and LoRaWAN (with local gateway) variants arrive fully configured and ready for connection to the Ellenex platform out of the box, eliminating the complexities of local software setup, sensor programming, or manual network registration.
The end-to-end package includes the following integration characteristics:
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Zero Technical Hassles: No extra power tools, driver setup, or developer configurations are required. Deployment is completed in under 5 minutes.
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Pre-Configured Gateway Provisioning: The industrial outdoor gateway is pre-commissioned to automatically bind with the Ellenex LNS stack. Once powered via PoE or DC, it immediately discovers sensors, decrypts the payloads, and relays them directly to the centralized cloud dashboard, seamlessly routing data to the Ellenex Platform.
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Pre-Configured SIM & Connectivity: For NB-IoT deployments, the transmitter is shipped with a pre-configured 4FF Nano-SIM card and active carrier subscription, ready to transmit on regional networks immediately upon power-up.
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Unified Fleet Visualization: Once powered on, both device variants automatically check in and populate their respective live measurement streams to the user’s centralized mobile app or web dashboard.
Frequently Asked Questions
How does the luminescence optical sensing technology in the Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution eliminate frequent recalibration?
The Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution utilizes luminescence-based optical sensing technology operating via phase-shift detection rather than traditional electrochemical (galvanic or polarographic) methods. The sensor head directs a blue light beam onto an oxygen-sensitive luminescent cap; when oxygen molecules interact with the sensing layer, they quench the emitted red luminescence. By measuring the phase angle shift between the excitation light and the returned luminescent emission, the device precisely determines dissolved oxygen concentration (0-20 mg/L, 0-20 ppm, 0-200% saturation). Because this optical process consumes no oxygen, requires no electrolyte fluid replacement, and does not depend on fluid flow across a membrane, it eliminates signal polarization errors and dramatically reduces maintenance calibration cycles on the Ellenex Software Platform.
How does water temperature affect dissolved oxygen readings, and how is it compensated?
Water temperature strongly influences both the solubility of oxygen gas and the luminescence quenching rate of the sensor cap. To maintain complete measurement accuracy across changing thermal conditions, the Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution incorporates a precision temperature sensor embedded directly within the IP68 submersible probe. The internal processor continuously measures water temperature (0-50°C) and applies real-time mathematical compensation formulas before transmitting fully adjusted concentration (mg/L) and percent saturation (%) metrics to the Ellenex Software Platform.
What mounting accessories and submersible cable specifications are supported for aeration basins?
The Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution is engineered to handle turbulent aeration tanks and outdoor wastewater lagoons. The IP68-rated, corrosion-resistant probe body resists biological fouling and chemical degradation, making it suitable for direct immersion in activated sludge or industrial effluents. It includes a heavy-duty, polyurethane-jacketed cable available in standard 3-meter or 7-meter lengths, with custom lengths supplied for deep basins or riverbanks. The surface transmitter assembly is protected by an IP68 UV-stabilized chassis designed to prevent moisture ingress and internal condensation under harsh thermal cycling.
How are facility operators alerted through the Ellenex Software Platform when dissolved oxygen drops below critical biological thresholds?
The Ellenex Software Platform includes a customizable multi-channel alert engine designed to prevent biological treatment crashes. Plant administrators can define dynamic lower and upper threshold limits (e.g., triggering alerts if DO drops below 2.0.mg/L in an aeration basin or 5.0 mg/L at a river discharge point) directly through the platform dashboard. If an aeration blower trips or organic overload causes oxygen depletion, the platform immediately dispatches real-time notifications via SMS, email, or mobile app push alerts to on-call engineers, ensuring immediate corrective action.
Which LPWAN wireless option should be deployed for off-grid treatment lagoons lacking cellular reception?
The Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution is supplied in two primary wireless configurations: LoRaWAN® (-L) and Cellular LPWAN (-N) supporting NB-IoT and LTE Cat-M1. For isolated treatment lagoons, rural tailings ponds, or remote river stations located beyond commercial mobile tower reach, the LoRaWAN variant (-L) is recommended. It transmits encrypted radio signals over sub-GHz ISM bands (868/915 MHz) over long distances to a local, solar-powered Ellenex Outdoor Gateway. For sites situated within a public cell network footprint, the Cellular variant (-N) connects directly to regional base stations using its pre-configured SIM card without requiring local gateway infrastructure.
What battery operational lifespan can be expected from the Dissolved Oxygen Monitoring in Remote Industrial Water Treatment Units Solution in field conditions?
The solution is powered by an internal, replaceable 3.6V Lithium ($\text{LiSOCl}_2$) primary battery engineered for high energy density and low self-discharge across extreme outdoor temperatures. Hardware firmware manages sensor power management by keeping the LPWAN module and optical measurement circuits in an ultra-low-power sleep state between scheduled readings. Sampling and transmission intervals can be remotely configured via the Ellenex Software Platform. Under standard operational reporting cycles, the system delivers an operational battery lifespan of up to 10 years, minimizing routine battery replacement visits.



