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Online Water Quality Analyzer for Water Plants

The highly versatile universal transmitter connects freely with both digital and analog sensors, measuring parameters including pH, DO, ORP, conductance, turbidity, SS, chlorophyll, blue-green algae, residual chlorine, UVCOD, ionic ammonia nitrogen, nitrate, and transparency. Users can opt for single-channel (one sensor) or two-channel (two sensors) configurations to cut costs and save installation space. All digital sensor interfaces work directly, while analog sensors use type-specific modules—enabling plug-and-play, with quick electrode installation and replacement. Beyond displaying sensor data, it allows users to configure 4-20 mA analog output and calibrate via interface prompts, plus support relay control and digital communication. Widely used in sewage/water plants, monitoring stations, surface water systems, aquaculture, and industry, it meets diverse monitoring needs.
Model DAW501
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Detail

Product Overview

The DAW501 Universal Transmitter is a versatile and reliable solution for water and gas detection. Designed to seamlessly integrate with various sensors, it offers accurate data monitoring, flexible configuration, and stable performance, making it an ideal partner for OEM water and gas detection applications.

Key Features

  • Broad Sensor Compatibility: Freely connects with both digital and analog sensors, supporting multi-parameter measurement to meet diverse monitoring needs.

  • Flexible Channel Configuration: Optional single-channel (for 1 sensor) or dual-channel (for 2 sensors) setup, effectively reducing equipment costs and saving installation space.

  • Plug-and-Play Convenience: All digital sensor interfaces are ready for direct use; analog sensors only require type-specific modules. Enables fast and easy electrode installation and replacement.

  • Comprehensive Functionality: Displays real-time sensor data, supports 4-20mA analog output configuration and calibration, and offers relay control and MODBUS RS485 digital communication.

  • Durable & Reliable Design: Features an IP66/NEMA4X waterproof housing, suitable for both indoor and outdoor use, with strong resistance to environmental interference.

  • Rich Data Management: Stores up to 120 million data points (at 5-second intervals) and supports historical data query, facilitating traceability and analysis.

  • User-Friendly Operation: 128*64 dot-matrix LCD with LED backlight for clear display under direct sunlight; intuitive panel keys and multi-language (Chinese/English) support simplify operation.

Measurable Parameters

pH, Dissolved Oxygen (DO), Oxidation-Reduction Potential (ORP), Conductance, Turbidity, Suspended Solids (SS), Chlorophyll, Blue-Green Algae, Residual Chlorine, UVCOD, Ionic Ammonia Nitrogen, Nitrate, and Transparency.

Applications

Widely applied in various fields requiring water quality and environmental monitoring, including:

  • Sewage treatment plants and waterworks

  • Environmental monitoring stations

  • Surface water and groundwater monitoring

  • Aquaculture industry

  • Industrial process monitoring

Technical Specifications

Specification Category
Detailed Information
Display
128*64 dot-matrix LCD, LED strong backlight (operable under direct sunlight)
Power Supply
AC: 85V-500V AC (50/60Hz); DC: 9~36V DC
Analog Output
3-way 4-20mA; Programmable response parameters and value range; Max. load 500 ohms
Relay
3-way configurable relays; Programmable response parameters, values, and functions (timer/alarm)
Digital Communication
MODBUS RS485; Baud rate: 4800/9600/19200/38400; Data bits: 8; Stop bit: 1; Parity: None/Odd/Even
Housing Material
Lower casing: Aluminum with powder coating; Cover: PA66+GF25+FR
Protection Rating
IP66/NEMA4X
Operating Temperature
-15℃ to 60℃
Storage Temperature
-20℃ to 70℃
Dimensions (L*W*H)
145*125*162mm
Weight
1.35KG
Data Storage
Stores up to 120 million data points (5 seconds/record)


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.


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