Reliable Dissolved Oxygen Sensors for Precision Water Monitoring
Enhance environmental and industrial water management with advanced DO sensors designed for real-time oxygen level analysis
Role of Dissolved Oxygen Sensors in Advanced Water Monitoring
Dissolved Oxygen (DO) sensors play a vital role in evaluating the amount of oxygen available in water, a critical factor in the health of aquatic ecosystems, the efficiency of biological wastewater treatment, and quality control in industrial processes. These sensors support real-time, accurate oxygen concentration measurements in milligrams per liter (mg/L) or percent saturation, ensuring optimal water conditions across applications.Modern DO sensor technologies enable high sensitivity, long-term stability, and minimal maintenance. They are used extensively in wastewater treatment, aquaculture, surface water monitoring, and food and beverage operations. By delivering precise insights, these sensors help detect contamination, ensure process consistency, and support environmental compliance.Water Quality Instruments serves B2B clients across North America with high-performance DO sensors and systems. We offer integrated, scalable technologies designed to enhance water monitoring accuracy, simplify operations, and align with a range of regulatory and industrial standards.
Comprehensive Sensor Solutions
In addition to offering products and systems developed by our team and trusted partners for Dissolved Oxygen (DO) sensors, we are proud to carry top-tier technologies from Global Advanced Operations Tek Inc. (GAO Tek Inc.) and Global Advanced Operations RFID Inc. (GAO RFID Inc.). These reliable, high-quality products and systems enhance our ability to deliver comprehensive technologies, integrations, and services you can trust. Where relevant, we have provided direct links to select products and systems from GAO Tek Inc. and GAO RFID Inc.
Hardware
- Optical DO Sensors – High-accuracy sensors that use luminescent technology for stable, drift-free readings.
Our Optical & Imaging Sensorsenhance the precision and performance of luminescent-based DO detection systems. - Galvanic & Polarographic Sensors – Proven electrochemical options for diverse water quality applications.
These sensor types are effectively supported by our Chemical and Gas Sensorsfor dependable redox and oxygen analysis. - Multiparameter Probes – Combine DO with temperature, pH, turbidity, and conductivity in a single device.
Our integrated Environmental & Agriculture Sensorsenable comprehensive water quality assessments with multi-parameter support. - Submersible and Inline Mounts – For deployment in open water, tanks, or industrial pipelines.
We recommend LoRaWAN End Devicesto support low-power, long-range communication for mounted DO sensors in remote or submerged conditions. - Field Meters and Portable Testers – Designed for spot-checking and calibration in remote environments.
These mobile tools pair well with BLE Gateways, Beacons & Accessories, enabling efficient field data transmission and device tracking.
Software & Cloud Capabilities
- Cloud-based dashboards for historical and real-time trend analysis
- Remote device management and alerts
- SCADA and PLC-ready integration modules
- Customizable data outputs for compliance and process optimization
- Easy calibration routines and system diagnostics
Key Features and Functionalities
- Real-time dissolved oxygen readings (mg/L or % saturation)
- Automatic temperature and pressure compensation
- Anti-fouling sensor tips and self-cleaning features
- Wide range support for fresh and saline water environments
- Long service life with minimal calibration drift
- Fast response times for dynamic water systems
Integrations and Compatibility
- Wastewater treatment plant control systems
- Aeration and nutrient control loops
- Aquaculture monitoring platforms
- Industrial water quality control systems
- Environmental monitoring stations
- SCADA, HMI, and data logging infrastructure
Benefits of Our Dissolved Oxygen Sensors
Enhanced process control and energy efficiency in aeration systems
Reliable water quality data for environmental stewardship
Early detection of oxygen depletion or contamination
Reduced downtime and maintenance with rugged sensor construction
Improved compliance with environmental and industrial standards
Scalable solutions for small- to large-scale water systems
Applications
- Wastewater treatment plant aeration systems
- Aquaculture pond and hatchery monitoring
- Surface and groundwater oxygen monitoring
- Food and beverage fermentation and sanitation
- Power generation water circuits
- Pulp and paper effluent control
- Chemical manufacturing process water
Industries We Serve
Environmental Services
Municipal Utilities
Agriculture & Aquaculture
Food & Beverage Processing
Energy and Power Generation
Mining and Pulp & Paper
Research Institutions and Academians
Relevant U.S. & Canadian Industry Standards and Regulations
- EPA Method 360.1
- ASTM D888
- ASTM D1252
- Standard Methods 4500-O G
- Health Canada’s Surface Water Quality Guidelines
- NSF/ANSI 13 and 60
GAO Case Studies
Halifax, NS (Canada)
An environmental research team deployed submersible DO sensors in a freshwater lake monitoring station. Continuous data supported early detection of hypoxia events and informed seasonal lake management practices.
Fresno, CA (USA)
A large aquaculture facility integrated multiparameter probes with DO sensors into a recirculating aquaculture system. The enhanced monitoring enabled faster response to oxygen fluctuations, improving fish survival and feed efficiency.
Cleveland, OH (USA)
A municipal wastewater treatment facility implemented optical DO sensors for aeration control in activated sludge tanks. The upgrade led to a 25% energy reduction by optimizing blower use based on real-time oxygen demand.
Looking to optimize your water monitoring systems with best-in-class DO sensor solutions?
For expert advice, custom integrations, or to request product specifications. We’re here to help you build smarter, more responsive water systems.
