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Industrial Grade Online ORP Water Quality Sensor - IP68 Waterproof, RS485 Output

ZW-ORP-PR industrial-grade online ORP water quality sensor is specially designed for industrial scenarios. It has a measurement range of -1500~+1500mV and an accuracy of ±20mV. It supports RS485 (Modbus/RTU) communication and can seamlessly connect to industrial control equipment such as PLC and DCS. The product is equipped with a patented ORP electrode, whose service life is twice that of conventional electrodes. It has an IP68 high protection rating and a 3/4 NPT thread design, which is suitable for various installation methods. With strong anti-interference ability and fast response, it is widely used in online ORP detection in scenarios such as environmental water quality monitoring, chemical reactions, and industrial production.
  • Model No.:

    ZW-ORP-PR(RS485)
  • Use:

    Monitor Oxidation-Reduction Potential
  • Power Supply:

    DC12/24V
  • Measuring Accuracy:

    ±20 mV
  • Certificates:

    CE,ROHS,FCC,ISO and 11 patents certifications
  • Customized Support:

    OEM, ODM
  • Warranty:

    1 Year
  • Product Detail
ZONEWU RS485 Water Quality Oxidation-Reduction Potential (ORP) Sensor


ZONEWU RS485 Water Quality Oxidation-Reduction Potential (ORP) Sensor:
Core Function: High-precision ORP detection in aqueous environments.
Key Features: Anti-fouling & corrosion-resistant probe, automatic temperature compensation.
Connectivity: Plug-and-play RS485 interface for seamless integration with industrial control, IoT, and data acquisition systems, enabling stable, high-speed wired communication.

RS485 Oxidation-Reduction Potential Sensor: Key Applications & Use Cases
 Wastewater Treatment
• Municipal Plants: Monitor ORP levels in influent, aeration tanks, and final effluent to control biological nutrient removal (BNR).
• Industrial Effluent: Optimize the nitrification and denitrification processes by adjusting aeration and carbon sources based on real-time ORP data.
• Value: Ensures compliance with discharge standards and reduces energy costs.
 Industrial Process Control
• Toxic Waste Treatment: Crucial for monitoring the oxidation of cyanide (CN) and the reduction of chromium (Cr6+) to ensure complete detoxification.
• Chemical & Pharmaceutical: Accurately determine the endpoints of oxidation-reduction reactions, improving product yield and consistency.
• Electroplating & Printing: Monitor chemical solutions to maintain bath quality and prevent product defects.
 Environmental Monitoring
• Surface Water: Assess the self-purification capacity of rivers, lakes, and reservoirs.
• Emission Monitoring: Provides reliable data for regulatory compliance at industrial discharge points and sewage outfalls.
• Value: Provides critical data for environmental protection agencies and corporate sustainability reports.
Specialized Industries
• Aquaculture & Fisheries: Monitor water quality in fish farms to reflect dissolved oxygen levels and microbial activity, preventing stock loss.
• Swimming Pools & Drinking Water: Evaluate the activity of disinfectants (like chlorine) to ensure water is safe and hygienic for public use.
• Value: Protects living organisms and ensures public health safety.


RS485/4-20 mA parameters:

Model

ZW-ORP-PR

Measuring Range

-1500~+1500mV

Resolution

1mV

Accuracy

±20 mV

Working temperature

0~50℃

Working pressure

≤0.2 MPa

Power supply

12~24VDC

Signal output

RS-485(Modbus/RTU)

Wetted material

ABS/PC alloy

Installation

Submerged installation, 3/4 NPT thread

Cable length

5 meters, other lengths can be customized

Calibration

One point calibration

Power consumption

0.2W@12V

Protection grade

IP68




Packaging:

Single gross weight: 1.200 KG

Single package size: 37X26X5 cm

 

Product Description: 






Customer on-site examples: 




Application: 


RS485 water quality Oxidation-Reduction Potential sensor can monitor Oxidation-Reduction Potential in real-time. It is suitable for industrial circulating water, boiler feed water, municipal water supply, aquaculture and swimming pools. It supports remote data transmission, stabilizes water quality and prevents scaling.

Certifications:


We are best water quality sensor manufacturer and exporter in China with more than 10 years. Our water quality sensor products are certified  with of CE, ROHS.

 

 

 

Why RS485 for Water Oxidation-Reduction Potential Monitoring?


Industrial-Grade & Stable Data Transmission: RS485 delivers robust anti-interference performance for real-time, reliable hardness data transmission in harsh environments (e.g., industrial boilers, municipal water supply), ensuring accurate monitoring.
Easy Integration & Scalability:
Supports multi-node networking, seamlessly integrates with mainstream PLC/RTU systems, enabling flexible deployment and reducing system integration costs and maintenance complexity.

 

 

Production Process:




Why choose us:


1. Strong R & D: 30+ Senior experts and highly educated personnel formed a R & D team, heavy investment, master a number of core technologies and patents.
2. Professional and effective solutions: for smart environmental protection, agriculture and other fields, to provide customized compound networking solutions.
3. Full range of products: covering the whole industry chain products from data collection to platform services to meet diverse needs.
4. Excellent quality: we have perfect quality control system, strictly quality control each production link, low defective rate. 
5. Good service: 7×24 hours fast response, Professional pre-sale, sale, after-sales team support.



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