Industrial Dissolved Oxygen Meters
Why Engineering Teams Choose This DO Meter
In wastewater aeration control, aquaculture oxygen management, and environmental compliance monitoring, dissolved oxygen is not just a parameter — it directly impacts process stability, biological efficiency, and operating cost.
Instrava Dissolved Oxygen Meters are engineered to deliver:
✔ 0.01 mg/L high resolution
✔ ≤±0.3 mg/L measurement accuracy
✔ 0–200% saturation measurement
✔ Triple environmental compensation
✔ IP65 field protection
✔ Lightweight portable deployment
This instrument bridges the gap between laboratory precision and field practicality — enabling reliable oxygen monitoring without complex installation or heavy maintenance systems.
For engineering teams seeking stable field verification and procurement teams seeking predictable lifecycle cost, this solution delivers measurable value.
Liquid Analysis Description
Industrial Dissolved Oxygen Meters Application Scenarios
Wastewater Treatment Plants
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Aeration tank oxygen optimization
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Process efficiency validation
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Compliance sampling
Stable DO measurement reduces energy waste from over-aeration while protecting biological treatment stability.
Aquaculture & Aquarium Systems
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Fish stock health monitoring
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Aeration system adjustment
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Seasonal oxygen fluctuation control
High-resolution measurement (0.01 mg/L) supports precise oxygen management in sensitive environments.
Environmental & Water Source Monitoring
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River and reservoir inspections
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Field sampling operations
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Mobile environmental compliance checks
Portable design and lithium battery power allow extended field deployment.
Research & Scientific Units
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Multi-parameter monitoring
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Electrode current observation
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Temperature-linked DO analysis
Supports laboratory validation and academic use.
Industrial Dissolved Oxygen Meters Engineering Advantages
① High-Accuracy Core Performance
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DO Range: 0.00–20.00 mg/L
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Saturation: 0.0–200.0%
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Resolution: 0.01 mg/L
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Accuracy: ≤±0.3 mg/L
This level of precision enables confident process adjustment decisions.
② Triple Environmental Compensation
Dissolved oxygen is affected by atmospheric pressure, temperature, and salinity.
This instrument integrates:
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Automatic Temperature Compensation (0–40°C)
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Manual Atmospheric Pressure Compensation (60–110 kPa)
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Manual Salinity Compensation (0–50 g/L)
Result: Reliable measurement stability across seasonal and geographic variations.
③ Fast Response & Intelligent Processing
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32-bit microprocessor
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Multi-parameter simultaneous measurement
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Response time ≤45 seconds
Designed for operational efficiency without prolonged stabilization delays.
④ Industrial Protection & Field Durability
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IP65 waterproof and dustproof rating
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Lithium battery with charge & protection management
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Intelligent backlight control for energy saving
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Lightweight: 270 g (without sensor)
Engineered for real outdoor inspection environments.
⑤ Operator-Friendly Interface
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Wide-screen LCD display
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Operation prompt guidance
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Clear numeric visualization
Reduces training time and minimizes operator error.
Liquid Analysis Parameter
Industrial Dissolved Oxygen Meters Technical Specifications
Measurement Range
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DO Concentration: 0.00–20.00 mg/L
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DO Saturation: 0.0–200.0%
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Temperature: 0–60°C (32–140°F)
Resolution
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DO Concentration: 0.01 mg/L
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Saturation: 0.1%
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Temperature: 0.1°C / 0.1°F
Accuracy
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DO Concentration: ≤±0.3 mg/L
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Saturation: ≤±3.0%
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Temperature: ≤±0.3°C
Compensation
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Atmospheric Pressure: 60–110 kPa (Manual)
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Temperature: Automatic (0–40°C)
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Salinity: 0–50 g/L (Manual)
Performance & Structure
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Standard Electrode: SD02 (3M)
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Response Time: ≤45 s
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Protection Level: IP65
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Weight: 270 g (without sensor)
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
How does the Instrava Dissolved Oxygen Meter ensure accurate measurements in field conditions?
The meter integrates automatic temperature compensation, manual salinity and atmospheric pressure adjustments, and uses high-precision membrane or fluorescence probes. This triple compensation ensures stable and accurate DO readings in rivers, aquaculture tanks, or industrial effluent environments, even with fluctuating temperature, salinity, and altitude.
What advantages does the fluorescence method provide over traditional membrane probes?
The fluorescence probe does not consume oxygen, requires no electrolyte preheating or polarization, and eliminates frequent calibration. This reduces maintenance costs, prevents measurement drift from H₂S, heavy metals, or oil contamination, and delivers faster response times (≤45 seconds), critical for real-time field monitoring.
Can this meter be used for both portable field monitoring and laboratory analysis?
Yes. Its lightweight design (270 g without sensor), IP65 waterproof/dustproof housing, and wide LCD screen allow easy transport and field use, while high accuracy, data storage, and manual compensation functions meet laboratory-quality monitoring standards.
How does Instrava’s DO meter improve operational efficiency for wastewater and aquaculture applications?
Rapid response, intuitive prompts, and automatic temperature adjustment reduce sampling time. Engineers can make immediate process control decisions, optimize aeration, prevent over-oxygenation, and enhance biological treatment efficiency or aquaculture health, minimizing operational costs.
What maintenance or calibration is required to keep the meter reliable?
Membrane probes require periodic membrane replacement and electrolyte replenishment, while fluorescence probes are virtually maintenance-free. Both are factory-calibrated, with easy one- or two-point calibration routines, minimizing downtime and operational risk.
How does this meter support data management and reporting for industrial compliance?
The device can manually store up to 99 measurement records per session. Combined with large LCD readout and optional data transfer (USB or compatible interfaces with Instrava systems), it facilitates documentation for audits, regulatory reporting, and quality management systems.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
