Maintaining the right dissolved oxygen (DO) level is essential for healthy aquatic environments, efficient water treatment, and reliable industrial processes. Whether you’re working in aquaculture, environmental monitoring, laboratories, or wastewater management, having a dependable dissolved oxygen meter ensures accurate measurements and better decision-making.
The FDO-300 Portable Optical Dissolved Oxygen Meter is designed to provide fast, stable, and precise dissolved oxygen measurements in a compact handheld device. Its optical sensing technology minimizes maintenance while delivering reliable performance across a wide range of applications.
Why Dissolved Oxygen Matters
Dissolved oxygen is one of the most critical indicators of water quality. Proper DO levels help maintain healthy fish populations, improve biological treatment efficiency, and ensure compliance with environmental standards. Accurate monitoring allows operators to identify issues early and optimize system performance.
Key Features of the FDO-300
Wide Measuring Range
Measure dissolved oxygen from 0.00 to 50.00 mg/L or 0.0–500.0% saturation, making the FDO-300 suitable for both routine monitoring and demanding industrial applications.
High Accuracy
With an accuracy of ±0.3 mg/L, the FDO-300 delivers dependable readings you can trust for professional water quality analysis.
Optical Measurement Technology
The optical dissolved oxygen sensor provides stable readings with reduced maintenance compared to traditional electrochemical sensors, making daily operation more convenient.
Built for Challenging Environments
Designed to operate in temperatures from -5°C to 60°C and at less than 90% relative humidity, the FDO-300 performs reliably in both indoor and outdoor environments.
Simple Calibration
The meter supports automatic air calibration and sample calibration, allowing users to maintain measurement accuracy with minimal effort.
Durable Sensor Construction
Its SUS316L stainless steel sensor housing offers excellent corrosion resistance and durability, making it ideal for long-term use in demanding water applications.
Applications
The FDO-300 is suitable for a wide variety of industries, including:
- Aquaculture and fish farming
- Water treatment facilities
- Environmental monitoring
- Wastewater management
- Research laboratories
- Industrial process monitoring
- Educational institutions
Portable Performance You Can Depend On
When reliable dissolved oxygen measurement is essential, the FDO-300 Portable Optical Dissolved Oxygen Meter delivers the accuracy, durability, and convenience professionals need. Its portable design, optical sensing technology, and rugged construction make it an excellent solution for field inspections and laboratory testing alike.
Whether you’re monitoring water quality, improving operational efficiency, or protecting aquatic life, the FDO-300 helps you make informed decisions with confidence.
