Built for continuous process monitoring
Online dissolved oxygen controller with temperature compensation, dual isolated 4–20mA outputs and RS485 Modbus RTU.
Key specifications
| Temperature Range | -10.0 to +130.0°C |
| Output | Dual isolated 4-20mA |
| Communication | RS485 Modbus RTU |
Need help confirming the right controller and sensor?
Not sure which controller and sensor fit your process? Send us the liquid, measuring range, temperature, installation method, required output and quantity. We will review the configuration before quotation.
Product Overview
Continuous DO monitoring for treatment and aeration processes
Tenber DOS-5301 supports continuous dissolved oxygen and temperature monitoring for water-treatment applications. Dual isolated 4–20mA outputs and RS485 Modbus RTU allow measured values to be transmitted to compatible automation and monitoring systems.
Key Functions and Benefits
Key Benefits
Aeration Monitoring
Continuous DO information helps operators observe biological treatment and aeration conditions.
Industrial Signal Outputs
Dual isolated 4–20mA outputs and RS485 communication support compatible control and data systems.
Application Matching
Sensor selection should consider the liquid, fouling conditions, installation position and maintenance requirements.
Verified Technical Specifications
Verified Technical Data
Typical Applications
Typical Applications
Wastewater Aeration
Follow dissolved oxygen conditions in biological treatment and aeration processes.
Environmental Monitoring
Continuous DO and temperature data for suitable water-monitoring installations.
Process Water
Monitor applications where dissolved oxygen affects process stability or water quality.
Frequently Asked Questions
Frequently Asked Questions
Can DOS-5301 connect to a PLC?
Yes. It provides dual isolated 4–20mA outputs and RS485 Modbus RTU for compatible automation systems.
Is it suitable for wastewater aeration?
It is intended for continuous dissolved oxygen monitoring in water-treatment applications. Sensor installation and maintenance should match the actual aeration tank conditions.
What information is required to select the sensor?
Provide the liquid, expected DO range, temperature, installation position, cable length, fouling conditions and maintenance requirements.
Does it measure temperature?
The verified product information includes temperature compensation and a temperature range of -10.0 to +130.0°C.
Can you help with system integration?
Yes. Send the required 4–20mA channels, Modbus RTU requirements and control-system details before quotation.
Manuals, Related Products and Request for Quotation
Need help confirming the right model?
Send the liquid, measuring range, temperature, pressure, installation method, output signal and quantity. Tenber will check the configuration before quotation.
Selection flow for DOS-5301
Start with dissolved oxygen and temperature measurement, then check the complete measuring loop before quotation.
- Define the application and liquid composition.
- Record the normal and maximum value, temperature, pressure and flow conditions.
- Choose the sensor or electrode, installation method, cable and maintenance access together with the controller.
- Confirm the receiving system, including 4–20mA, RS485 Modbus RTU, relay, recorder, PLC or DCS requirements.
- Send the quantity, destination country and current documentation requirement for model review.
Application boundaries
Confirm the sensor method, range, pressure or depth, flow, temperature, cable and maintenance conditions before selecting the complete loop.
Inquiry checklist
Include the liquid, parameter and range, temperature, pressure, installation, sensor or electrode, cable length, output or communication interface, control requirement, quantity and destination country.