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Smart Storm - Model USM Water Quality -Smart Meter & UV254 Sensor for Real-Time BOD, COD, TOC & DOC Monitoring

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Smart Storm, in collaboration with Photonic Measurements (Northern Ireland), has developed an innovative UV254 smart meter featuring cutting-edge sensor technology for the real-time measurement of COD, BOD, TOC, and DOC. This system provides a fast, cost-effective alternative to traditional chemical testing methods. Whether it's for aeration control, chemical dosing, or UV disinfection monitoring, UV254 technology delivers responsive, low-maintenance measurement that enhances process efficiency at a significantly lower cost than conventional systems.
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Municipal Water & Wastewater

  • Drinking water treatment
  • Source water quality and protection
  • Coagulation process optimisation
  • DBP formation potential analysis
  • Reverse osmosis systems
  • UV disinfection control
  • Distribution network monitoring

Industrial & Commercial

  • Food and beverage processing
  • Dairy operations
  • Commercial aquaculture
  • General industrial water treatment


Key Advantages

  • No consumables – No ongoing reagent costs
  • Real-time data – Instantaneous BOD, COD, TOC, DOC surrogate readings
  • Durable build – Available in stainless steel
  • Advanced data handling – 20-year onboard logging, IoT remote downloads
  • Multi-parameter system – Compact and flexible
  • Low total cost of ownership – No moving parts, minimal energy use, and long-life LEDs

Installation & Usability

  • Slim, 39mm-diameter probe – Ideal for tight installations
  • User-friendly interface – Intuitive menu navigation
  • Easy integration – Modbus-ready for external controllers
  • Automated calibration – Stored directly on the probe
  • Precision optics and electronics for long-term reliability

Monitoring BOD through surrogate measurements plays a critical role in regulating oxygen demand in treated effluent, protecting aquatic ecosystems. COD, a key compliance metric for trade effluent discharge, is arguably the most vital indicator of water quality. Historically, measuring these parameters has been challenging and expensive—Smart Storm’s UV254 solution changes that.