Product Description:
The DX-DO3000 Online Dissolved Oxygen Analyzer from Wuxi Daoxin
Technology is a high-performance instrument tailored for
continuous, real-time monitoring of DO levels in natural water
bodies, environmental protection projects, and industrial water
discharge systems. By leveraging luminescent fluorescence sensing technology, it eliminates the need for traditional membranes or electrolyte
solutions, reducing ongoing maintenance and increasing stability in
long-term deployments.
This analyzer delivers exceptional sensitivity with a measurement
resolution of 0.01 mg/L and a response time of less than 10
seconds. It supports dual output interfaces: 4-20mA analog signal for traditional PLC integration and RS485
(Modbus RTU) for modern digital monitoring systems. Built-in automatic temperature compensation ensures accuracy across a wide range of operating conditions
(0–80°C), making it ideal for outdoor and seasonal monitoring.
Constructed with a rugged, anti-corrosion stainless steel body, the
DX-DO3000 is designed for harsh environments, including polluted
rivers, lakes, and industrial outflows. Users can choose between optical fluorescence sensors for low-maintenance needs and membrane-based sensors when traditional electrode behavior is required.
Power options include AC220V or DC24V, ensuring compatibility with
fixed stations, solar-powered field nodes, or industrial cabinet
systems. Installation types include immersion, flow-through, and flange-connected options to adapt to different water access
conditions.
Technical Parameters:
| Temperature Compensation Range | 0 ～ 80 ℃ (Automatic Or Manual Compensation) |
| Measurement Accuracy | ±1% FS Or ±0.1 Mg/L |
| Power Supply | AC 220V ±10%, 50/60Hz Or DC 24V |
| Measurement Range | 0-20 Mg/L (Multiple Ranges Optional) |
| Alarm Function | Hi/Low Alarm / Relay Output |
| Measurement Principle | Luminescent Or Polarographic Membrane (Membrane Method) |
| Installation | Immersion / Flow-through (Flange Option) |
| Sensor Lifespan | Fluorescence Method: ≥ 2 Years (no Membrane Loss); Membrane Method:
6 To 12 Months (requires Regular Maintenance) |
| Sensor Type | Fluorescence Method: No Membrane, Resistant To Contamination;
Membrane Method: Replaceable Diaphragm (electrolyte Required) |
| Resolution | 0.01 Mg/L |
Applications:
The DX-DO3000 plays a vital role in environmental monitoring and compliance reporting, particularly in areas governed by national water quality
standards or under the supervision of local environmental bureaus.
It enables continuous dissolved oxygen profiling in rivers, lakes, and
estuaries, providing real-time insights into the ecological health of
freshwater systems.
In industrial parks, especially chemical and food processing zones, the device helps
monitor and control dissolved oxygen levels in treated effluents
before discharge, ensuring compliance with environmental
regulations. Its robust build and anti-fouling capabilities allow
it to perform reliably in wastewater with high suspended solids and
organic load.
Research institutions and hydrology centers use the DX-DO3000 for long-term water quality data logging, deploying it on buoys or along riverbanks to gather seasonal or
real-time datasets for ecological modeling and pollutant source
tracing.
In municipal stormwater systems, the analyzer supports smart water management platforms by
reporting oxygen levels that correlate with biological activity and
potential pollution events, allowing city engineers to respond
proactively.
Thanks to its low-maintenance design and digital communication capabilities, it is also suitable for integration into IoT-based water monitoring networks, offering scalable deployment for smart environmental
infrastructure.
Support and Services:
Wuxi Daoxin Technology offers comprehensive support services to
meet the operational demands of field monitoring and ecological
research users. From pre-installation planning to post-deployment
optimization, our team ensures each DX-DO3000 system performs
consistently in its intended environment.
We provide technical consultation, including sensor selection guidance based on expected
contamination levels, flow conditions, and installation
constraints. Our documentation includes multilingual user manuals,
Modbus communication templates, and field calibration workflows
tailored to environmental monitoring needs.
For installations in remote or hard-to-access areas, we offer custom wiring solutions, solar power integration advice, and compact enclosure designs.
Our team can assist in creating complete dissolved oxygen
monitoring stations, complete with telemetry modules and real-time
dashboards.
A wide range of spare parts and calibration standards are stocked for both fluorescence and membrane sensors.
Additionally, users can opt for remote firmware updates, monthly data validation checks, and performance recalibration
contracts.
Whether you're a public environmental agency, a university research
group, or an industrial plant complying with discharge permits,
Daoxin ensures that your dissolved oxygen data is accurate,
reliable, and regulatory-compliant.
