W519 Dual-Channel Controllers Compatible with Analog and Digital Sensors
Developed by DABECO, the W519 combines advanced electronics with an intuitive user interface to deliver accurate monitoring and efficient process control for modern water treatment systems.
The instrument features a 3.5-inch color LCD display, multiple output options, data logging capability, and MODBUS communication, making it suitable for both standalone operation and system integration.
Supported Parameters
The W519 transmitter can be used with sensors for:
pH
ORP (Redox Potential)
Dissolved Oxygen (DO)
Conductivity / TDS / Salinity
Turbidity
Suspended Solids (SS / MLSS)
UV COD
Nitrate (NO₃-N)
Ammonia Nitrogen (NH₃-N)
Residual Chlorine
Chlorophyll
Blue-green Algae
Transparency
Color
Other customized parameters
Key Features
3.5-inch color LCD with clear graphical interface
Universal input compatible with digital and analog sensors
Two programmable relay outputs
Two isolated 4–20 mA outputs
RS485 MODBUS communication
Data logging and historical record viewing
High stability and strong anti-interference capability
IP65 protection for industrial environments
Easy installation and maintenance
Technical Specifications
| Item | Specification |
| Display | 3.5″ Color LCD |
| Power Supply | 100–240 VAC |
| Analog Output | 2 × 4–20 mA |
| Relay Output | 2 × SPDT |
| Communication | RS485 MODBUS |
| Protection Grade | IP65 |
| Housing Material | Polycarbonate |
| Operating Temperature | −20 to 60 °C |
| Storage Temperature | −25 to 70 °C |
| Dimensions | 155 × 155 × 120 mm |
| Panel Cut-out | 139 × 139 mm |
| Weight | 0.85 kg |
Applications
The W519 is widely used in:
Municipal wastewater treatment plants
Drinking water treatment
Industrial water processes
Cooling water systems
Aquaculture
Environmental monitoring stations
Chemical and pharmaceutical industries
Food & beverage production
Swimming pool and water disinfection systems
Installation Options
Wall mounting
Panel mounting
Pipeline system integration
Control cabinet installation
Advantages
Universal compatibility with multiple sensors
Reliable performance in harsh environments
Flexible output and communication options
Cost-effective solution compared with international brands
Easy integration into automation systems
Optional Accessories
pH / ORP sensors
Dissolved oxygen sensors
Turbidity sensors
Flow cells
Immersion holders
Protective housings
FAQ – Frequently Asked Questions
1. Where are your products manufactured?
Our products are proudly designed and manufactured in China, following international quality standards and certified processes.
2. Can you provide OEM/ODM services for international clients?
Yes, we offer customized solutions and private labeling to meet your brand’s needs worldwide.
3. Are your products compliant with international safety and quality standards?
Absolutely. Our products are tested to meet CE, RoHS, and other international certifications.
4. How do you handle shipping and delivery for overseas orders?
We cooperate with major international couriers to ensure fast and reliable delivery to your location.
5. Can I get product samples before placing a large order?
Yes, we provide samples so you can evaluate product quality before committing to bulk orders.
6. What is the typical lead time for production and delivery?
For standard products, we usually ship within 5–7 days after order confirmation. Customized products may take slightly longer.
7. How do you support clients after the purchase?
We offer 24/7 technical support, product guidance, and warranty service to ensure smooth operation.
8. Do you provide support for international clients after purchase?
Yes, we offer remote technical assistance, manuals in English, and prompt solutions to any issues, ensuring smooth use worldwide.
9. How can I place an order if I am located overseas?
You can contact our sales team directly via email or website inquiry. We provide professional guidance throughout the ordering process.
10. Why should I choose your company over other suppliers in China?
We combine over 30 years of manufacturing experience, advanced technology, strict quality control,
and global customer service to deliver reliable, high-quality solutions.
Write Us
Name and Surname*
*Company
E-mail*
*Contact number
Inquiry Type
- Sample Request
- Distributor Inquiry
- Product Quotation
- Catalog/Datasheet
- Technical Support
Your message*
*Notes : All information submitted through this form will be kept strictly confidential and used solely for business communication. We do not share your data with third parties.