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Online Multiparameter Sonde Water Quality Sensor for Seawater
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Online Multiparameter Sonde Water Quality Sensor for Seawater

The online multiparameter water quality sonde can simultaneously connect up to 6 digital sensors and 1 wiper, automatically recognizing sensors to detect a wide range of parameters including temperature, pH, DO, turbidity, conductivity, COD, TN, chlorophyll a, and more via optical, physical, or electrochemical methods. It features a universal 3.5mm audio connector platform, RS485/Modbus RTU compatibility, IP68 protection (for use within 10m water depth), low-power mode, and water leakage alarm, with an independent structure ensuring single-sensor failures don't affect other components. Equipped with detailed calibration procedures for each parameter, it has undergone multiple version updates, adding functions like depth sensing and nitrate/TN detection to meet long-term online water quality monitoring needs.
Model DBSM-2
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Detail

Product Overview

Online multiparameter water quality sonde is designed for continuous water quality monitoring. It can simultaneously connect up to 6 sensors and 1 wiper, utilizing optical, physical, or electrochemical methods to detect various water quality parameters. The sonde features automatic sensor recognition and an independent structural design, ensuring that the failure or leakage of one sensor does not affect other components, delivering high reliability and flexibility for long-term online monitoring.


Core Functions & Advantages

  • Comprehensive Parameter Detection: Covers temperature, pH, ORP, dissolved oxygen (DO), turbidity (SS, transparency), conductivity (TDS, salinity), COD, TOC, BOD, ammonia, nitrate, total nitrogen (TN), potassium, chlorophyll a, blue-green algae, CDOM/fDOM, PTSA, and depth.

  • Universal Compatibility: Adopts a universal platform with a uniform 3.5mm audio connector, supporting up to 7 ports. All sensors are digital, compatible with RS485 and Modbus RTU protocols, and store calibration parameters internally.

  • Practical Features: Supports low-power mode and water leakage alarm; equipped with a wiper to maintain sensor cleanliness. With an IP68 protection rating, it can be used within 10 meters of water depth, adapting to complex aquatic environments.

  • Flexible Calibration: All parameters support user-defined calibration (slope K and intercept B adjustment), with detailed calibration procedures and standard solution preparation methods provided to ensure measurement accuracy.


Key Technical Specifications

CategoryDetails
Interface & CommunicationIP68 connector, RS-485, Modbus RTU protocol; default baud rate 9600
Operating EnvironmentOperating temperature: 0~45℃; storage temperature: -10~50℃; flow rate: <3 m/s
Power Supply12~24V DC; power consumption: 20~120mA@12V (operating mode), <3mA@12V (low-power mode)
Physical CharacteristicsMaterials: 316L stainless steel and POM; dimensions: Φ106×376mm; weight: not specified
Measurement PerformanceResponse time: 2~45S; accuracy and range vary by sensor model; resolution up to 0.01 level (e.g., pH, DO)


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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