Industrial digital ORP sensor with an integrated direct-connection cable, designed for reliable continuous wastewater monitoring and direct signal output.
Digital ORP sensor deployed for surface water monitoring, featuring a robust, corrosion-resistant design suitable for accurate redox potential analysis in natural water bodies.
Technical dimensions schematic of the digital online ORP electrode, detailing the customizable 90mm insertion depth and standard NPT 3/4 installation thread.
Industrial digital ORP sensor with an integrated direct-connection cable, designed for reliable continuous wastewater monitoring and direct signal output.
Digital ORP sensor deployed for surface water monitoring, featuring a robust, corrosion-resistant design suitable for accurate redox potential analysis in natural water bodies.
Technical dimensions schematic of the digital online ORP electrode, detailing the customizable 90mm insertion depth and standard NPT 3/4 installation thread.

LT4900I Industrial Digital RS485 ORP Electrode for Wastewater

Wholesale industrial digital RS485 ORP electrodes. Features a built-in microprocessor and durable POM housing for reliable wastewater process monitoring.

● Built-in Microprocessor & RS485 Output: By fully integrating traditional transmitter functions directly into the electrode body, this digital ORP sensor outputs standard MODBUS RTU communications. This streamlined, all-in-one design simplifies system wiring and provides exceptionally strong resistance to environmental and electrical interference in complex industrial sites.
● Heavy-Duty POM Material Construction: Engineered with a specially formulated POM and premium glass housing alongside an IP68 waterproof rating, this industrial ORP electrode delivers outstanding durability. It is specifically designed to withstand highly corrosive wastewater and complex media, offering continuous, reliable performance far beyond standard surface water applications.
● Anti-Fouling Double Liquid Junction: Utilizing a robust double salt bridge reference system equipped with a special porous ceramic core, the sensor strongly resists electrode poisoning and fouling. This advanced anti-fouling design minimizes routine maintenance requirements while ensuring long-lasting operational stability in heavily polluted sewage treatment environments.
● High-Precision Rapid Response: Designed for high-precision performance with a factory slope better than 95%, the digital ORP probe delivers highly accurate redox potential data in under 10 seconds. This fast and reliable tracking allows facility workers to make immediate, critical adjustments to industrial manufacturing and water treatment processes.

Digital RS485 ORP Sensor Features

The Industrial Digital RS485 ORP Electrode for Wastewater provides an innovative all-in-one solution for accurate redox monitoring. By replacing traditional transmitters with an advanced built-in microprocessor, this sensor delivers direct RS485 digital output, ensuring high stability in electrically noisy environments. Its rugged POM housing and IP68-rated design allow for reliable continuous submersion, making it the ideal choice for demanding industrial wastewater treatment applications. Target customer groups, including environmental engineers and plant operators, benefit from simplified installation via standard NPT 3/4 threads. This durable probe offers rapid, precise data to streamline your critical process control systems.

Wastewater Redox Potential Probe Specifications

Measuring range: -2000mV ~ +2000mV
Temperature range: 0~100°C
Pressure Rating: 0-3 Bar, 6 Bar MAX
Temp. compensation type: NTC 22K
Slope: 95%
Response time: <10S
Salt Bridge Type: Porous ceramic core
Reference electrolyte: PCG Polymer Gel (Standard Type)
Reference type: dual-salt bridge reference
Installation thread: NPT3/4
Housing material: POM + Glass
Insertion depth: 90mm (Other depth customizable)
Cable connection: Integrated direct connection type
Power Supply 6-30 VDC
Communication: RS485, MODBUS RTU

Industrial Online ORP Electrode Applications

● Municipal and Industrial Wastewater Treatment
The LT4900I is purpose-built for harsh wastewater environments. Its integration of a microprocessor directly into the sensor head ensures stable readings even in the presence of heavy electrical noise commonly found in large-scale treatment plants, critical for precise disinfection control.
● Complex Process Control Integration
Unlike standard sensors, this unit provides a direct MODBUS RTU RS485 output. This makes it an ideal upgrade for modern, automated industrial processes that require seamless digital communication with PLC or SCADA systems, eliminating the cost and space requirements of traditional, bulky transmitters.
● Environmental Surface Water Monitoring
The advanced, high-precision measurement capabilities make this electrode well-suited for long-term surface water monitoring. Its IP68-rated, corrosion-resistant POM housing provides the longevity and reliability necessary for remote environmental stations that require minimal site visits and maintenance.
● Commercial Pool and Recreational Water Systems
Designed for rapid response, the LT4900I provides real-time redox potential data necessary for strict sanitation compliance in commercial swimming pools and large-scale water feature management, ensuring that chemical dosages are kept within safe and efficient ranges.
● Heavy-Duty Equipment Support Systems
This sensor is engineered to withstand the demanding conditions of industrial machine cooling and process water loops, where chemical additives and varying temperatures can quickly degrade conventional electrodes.

Extra Information

Industrial Digital ORP Sensor Specifications

Engineered for precision in harsh environments, the LT4900I digital ORP sensor integrates a built-in microprocessor to deliver direct MODBUS RTU RS485 communication, ensuring exceptionally strong resistance to electrical interference. This robust probe provides a broad measurement range of -2000mV to 2000mV, operating seamlessly in temperatures from 0 to 100°C and withstanding pipeline pressures up to 6 Bar. Constructed with a heavy-duty POM and glass shell, it utilizes a PCG polymerized gel and a double liquid junction design with a specialized porous ceramic core, guaranteeing high accuracy, a factory slope better than 95%, an IP68 waterproof rating, and a rapid response time of under 10 seconds.

RS485 Wastewater Redox Probe Applications

Designed with a standard NPT 3/4 thread for direct process installation, this all-in-one water quality analyzer is the premier choice for highly complex industrial sites. Beyond standard environmentally friendly surface water monitoring, it excels in heavy-duty sewage and wastewater treatment, large-scale equipment support systems, and commercial swimming pools. To accommodate diverse vessel constraints, the electrode offers exceptional expansion capabilities, including a fully customizable insertion depth (standard 90mm), upgrades to a double or triple-point porous ceramic core, and an integrated direct-connection cable that can be safely extended up to 100 meters without signal loss.

Request Wholesale Quotes for Digital ORP Probe

Get stable high-temp ORP metrics. Inquire for wholesale pricing!

Related Products

Related News

Scroll to Top

Get A Free Quote Now !

Contact Form Demo (#3)
If you have any questions, please do not hesitate to contatct with us.
about us1