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Water quality sensor ORP test

The BGT-WORP(K) Online ORP Sensor is a high-performance, durable sensor designed for continuous monitoring of Oxidation-Reduction Potential (ORP) in various environments, including water quality monitoring, chemical processes, and industrial applications. It features a stainless steel construction, dual high-impedance differential amplifiers, and automatic temperature compensation for accurate and stable readings. With its IP68 protection rating, Modbus/RTU communication, and easy installation, it is a reliable solution for industries requiring precise ORP monitoring.
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Definition

ORP (Oxidation-Reduction Potential) is a measurement (in millivolts, mV) of how strongly a solution can either gain or lose electrons in chemical reactions.

  • Positive ORP values indicate an oxidizing environment (more likely to kill bacteria or break down organics)

  • Negative ORP values indicate a reducing environment (more likely to support microbial activity)



◀◀  Key Selling Points  ▶▶


1. High Accuracy and Stability: Offers a measuring range of -1500mV to +1500mV with a resolution of 1mV and an accuracy of ±6mV, ensuring precise and reliable ORP measurements.

2. Durable Construction: Made with ABS and 316L stainless steel, the sensor is highly resistant to corrosion and suitable for harsh industrial environments.

3. Dual High-Impedance Differential Amplifiers: Provides strong anti-interference capabilities and fast response times, making it ideal for environments with electrical noise.

4. Easy Installation: Features a 3/4 NPT threaded design for easy immersion or pipeline installation, with a waterproof M16-5 core connector for secure connections.

5. Low Maintenance: The patented ORP electrode design extends electrode life by up to 20 months, reducing the need for frequent replacements and maintenance.

6. Versatile Communication Options: Supports RS485 Modbus/RTU and 4-20mA current output, enabling seamless integration with PLCs, DCS systems, and other industrial equipment.

7. IP68 Protection: Fully waterproof and dustproof, making it suitable for immersion in water, including seawater, and operation in challenging environments.

8. Energy-Efficient: Consumes only 0.2W at 12V, making it an energy-efficient solution for continuous monitoring.

9. One-Point Calibration: Simplifies the calibration process, reducing setup time and ensuring accurate measurements.




◀◀  Product Parameters  ▶▶


Measuring Range

-1500mV~+1500mV

Resolution

1mV

Accuracy

±6mV, ±0.5°C

Working temperature

0~65°C

Working pressure

<0.1MPa

Power supply

12~24VDC ±10%

Signal output

RS485 Modbus-RTU, 4~20mA

Wetted material

ABS and 316L stainless steel

Installation

Immersion mounting, 3/4 NPT thread

Cable length

5 meters or others

Calibration

One point calibration

Power consumption

0.2W@12V

Protection grade

IP68

How It Works

  • The sensor has a measuring electrode (usually platinum) and a reference electrode.

  • It detects voltage differences caused by electron transfer between oxidizing and reducing agents in the water.

  • This voltage (ORP value) gives insight into the water's chemical properties.



◀◀  Application Scenarios  ▶▶


1. Environmental Water Quality Monitoring: Used in rivers, lakes, and reservoirs to monitor ORP levels and detect contamination.

2. Industrial Water Treatment: Ideal for monitoring ORP levels in industrial water treatment processes, ensuring compliance with environmental regulations.

3. Chemical Processes: Suitable for monitoring ORP in acid, alkali, and salt solutions during chemical reactions and industrial production processes.

4. Aquaculture: Helps maintain optimal ORP levels in fish farms and aquaculture systems to ensure healthy aquatic environments.

5. Swimming Pools and Spas: Ensures water quality in recreational facilities by monitoring ORP levels.

6. Food and Beverage Industry: Used to monitor ORP levels in food and beverage production processes, ensuring product quality and safety.

7. Wastewater Treatment: Monitors ORP levels in wastewater treatment plants to ensure proper treatment and discharge.


Why It's Useful

  • ORP sensors give a real-time, chemical-free snapshot of water’s ability to neutralize contaminants.

  • Often used with pH sensors to provide a fuller picture of water chemistry.


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