Online COD Controllers & Sensors for Industrial Water Monitoring

Wohuan provides reliable online COD controllers and sensors designed for continuous monitoring, fast response, and stable long-term performance in demanding environments.Contact Now！

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Accurate, Reliable & Cost-Efficient Online COD Monitoring

Designed for wastewater plants, industrial discharge monitoring, and environmental applications, our solutions deliver stable data performance with minimal maintenance requirements.

  • Reagent-Free UV Technology

    Advanced UV absorption technology eliminates the need for chemical reagents, reducing operating costs and maintenance workload.

  • Real-Time Continuous Monitoring

    Provides instant COD readings for better process control and faster response to water quality changes.

  • High Measurement Stability

    Optimized optical design and advanced signal processing ensure consistent and reliable data output even in fluctuating conditions.

Wide Applications of Online COD Monitoring

Online COD monitoring ensures environmental compliance and process optimization across industries.

    Why Partner with Wohuan for COD Monitoring Projects?

    We support your projects with stable supply, strict quality control, and professional technical service.

    Stable production capacity
    Professional technical guidance
    Strict quality inspection

    Trusted by Wastewater & Industrial Monitoring Professionals

    Here’s what our distributors, contractors, and industrial clients say about working with Wohuan.

    “Our previous COD system required frequent reagent replacement and constant maintenance. Wohuan’s UV COD sensor eliminated reagent costs and significantly reduced downtime. The data stability helped us pass environmental inspections smoothly.”

    — Municipal Wastewater Contractor

    “We needed reliable COD monitoring for high-concentration industrial discharge. Wohuan provided a high-range sensor with strong anti-fouling performance. Maintenance frequency decreased, and our operational efficiency improved.”

    — Chemical Manufacturing Plant

    “Stable supply and technical support are critical for our business. Wohuan ensured on-time delivery and helped us select the right models for different projects. Customer satisfaction increased, and repeat orders followed.”

    — Environmental Equipment Distributor

    Simple, Efficient & Project-Oriented Cooperation Process

    We streamline every step of cooperation to help you complete your COD monitoring projects on time and with confidence.

    01

    Send Inquiry
    Share your application details and technical requirements.

    02

    Confirm & Produce
    We send specs and quotation, then start production after approval.

    03

    Shipment & Support
    On-time shipment with ongoing technical support.

    Frequently asked questions

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    Frequently asked questions

    UV COD sensors use optical absorption technology and do not require chemical reagents, reducing operating cost and maintenance workload. Traditional chemical methods require reagents and manual handling.

    We offer low, medium, and high-range COD sensors to match municipal wastewater, industrial discharge, and high-concentration applications.

    Yes. Anti-fouling models are available to reduce cleaning frequency and maintain stable performance in heavy sludge conditions.

    Our controllers support RS485 (Modbus) and standard 4–20mA output for seamless integration into monitoring systems.

    Standard models are usually delivered within 7–15 working days. Bulk and customized orders will be confirmed based on project requirements.

    We provide a standard 12-month warranty under normal operating conditions, along with ongoing remote technical support.

    Get in touch with us

    Tell us about your application, and you’ll receive a clear solution and quotation.
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