Close-up detailing the corrosion-resistant probe of the electromagnetic concentration meter, engineered to withstand strong acids, alkalis, and complex organic solvents.

Submerged inductive conductivity probe actively testing high salt water concentration within a harsh industrial electroplating factory bath.

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LT3233 Electromagnetic induction Conductivity & Salinity Sensor

Rugged LT3233 inductive conductivity sensor features non-contact measurement, PEEK housing, and RS485 output for maintenance-free industrial concentration monitoring.

● Non-Contact Electromagnetic Technology: Eliminates polarization and sensor fouling, outperforming standard salinity electrodes by ensuring accurate, stable measurements in high-concentration or sludge-heavy media.
● Broad Measurement Range: Highly versatile with a range of 2 μS/cm to 2000mS/cm, supporting diverse applications from high-purity water monitoring to acting as a high-range salinity sensor for aggressive brine concentration control.
● Corrosion-Resistant Housing: Constructed with high-grade PP, PFA, and PEEK, guaranteeing maximum service life in strong acid, alkali, and organic solvent environments.
● Advanced System Integration: Industry-standard RS485 output with native support for the Modbus communication protocol for reliable data exchange with PLCs and SCADA systems.
● Integrated Process Monitoring: Simultaneously collects data for Conductivity, Salinity, Concentration, TDS, and Temperature, reducing the need for multiple analytical probes.

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Non-Contact Inductive Conductivity Probe Features

The LT3233 Inductive Electromagnetic Conductivity Sensor is engineered for high-performance, non-contact measurement in complex industrial environments. By utilizing advanced electromagnetic induction technology, this unit acts as a highly reliable salinity sensor, effectively eliminating the polarization and contamination issues commonly found in traditional contact salinity electrodes.

Designed for durability in the harshest conditions, the LT3233 features a robust housing constructed from chemically inert PP, PFA, and PEEK materials, ensuring long-term resistance to strong acids, alkalis, and aggressive organic solvents. Its integrated microprocessor delivers precise, real-time data for conductivity, concentration, TDS, salinity, and temperature. With native RS485/Modbus communication, this versatile salinity probe is a plug-and-play solution for seamless integration into industrial process control networks.

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Electromagnetic Conductivity Meter Technical Specs

Technical parameters
Conductivity Range	2 uS/cm ~ 2000mS/cm
Salinity Range	0~72.0ppt (sodium chloride meter)
Temperature Range	-10 ℃ ~ +180 ℃ (PT1000 automatic temperature compensation)
Pressure Range	0~13bar
Repetitiveness	±2%
Response time	T95≤2S
Maximum Error	-10 ~ +100 ℃ ± (5μS/cm + 0.5% of reading); >100 ℃ ± (10μS/cm + 0.5% of reading)
Electrode Material	PP, PFA, PEEK (Has strong resistance to chemical corrosion.)
Power Supply	24VDC
Signal Output	RS485
Dimensions	Shell length: 268mm/ 188mm/ 138mm
Circular Diameter	47.5mm
Thread	3/4NPT

Concentration reference
HCl	0-20%; HCl: 25-40%;
HNO3	0-25%; 36-96%;
H3PO4	0-40%；
H2SO4	0-30%6; H2SO4: 35-85%;
H2SO4	85-92%; H2SO4: 92-100%;
HF	0-30%;
NaOH	0-18%; NaOH: 20-40%;
CaCl2	0-30%; NaCl: 0-30%;

Inductive Conductivity Sensor Industrial Application Scenarios

The LT3233 inductive conductivity sensor is specifically engineered for demanding environments where traditional contact electrodes fail due to polarization or severe fouling. By utilizing non-contact electromagnetic technology, it provides high-precision data in scenarios where standard conductivity probes would require constant maintenance.

● Chemical Concentration Measurement: Designed for the rigorous demands of the chemical industry, the LT3233 accurately monitors acid, alkali, and salt concentrations within reaction vessels. Its PEEK/PFA construction ensures stability in aggressive environments, enabling reliable industrial concentration monitoring without risk of probe corrosion.

● Electroplating & Metal Processing: Effectively measures high-conductivity plating baths and heavy metal waste streams. The non-contact design eliminates the clogging issues common in dirty metal-finishing media, ensuring consistent data logging for complex plating processes.

● Seawater & Desalination: Provides long-term, stable performance in highly corrosive saline environments. It is a preferred choice for seawater desalination plants and brine monitoring, where high salinity quickly degrades traditional metal electrodes.

● High-Fouling Slurry & Wastewater: Perfectly suited for industrial media containing high levels of sludge, organic matter, or suspended solids. The sensor’s ability to operate accurately in “dirty” fluid applications makes it an essential tool for industrial water treatment and effluent control, significantly reducing operational downtime and cleaning requirements.

Extra Information

Industrial Inductive Conductivity Probe Technical Specifications

The LT3233 is engineered to meet rigorous industrial demands, supporting a broad measurement range from 2 μS/cm to 2000 mS/cm. It is equipped with advanced internal circuitry to ensure high signal stability and anti-interference performance, outputting data via the industry-standard RS485 Modbus communication protocol. To ensure seamless compatibility with various process environments, the probe is available in high-grade, chemical-resistant PP, PFA, or PEEK housing materials, making it an ideal solution for precise conductivity, TDS, and concentration monitoring in harsh liquid processing applications.

Corrosion-Resistant Inductive Sensor Design Benefits

Unlike traditional contact electrodes that are prone to polarization and fouling, the LT3233 utilizes electromagnetic induction for a completely non-contact measurement experience. This innovative design significantly reduces maintenance frequency and operational downtime, even when deployed in high-concentration sludge, electroplating baths, or aggressive wastewater treatment processes. Combined with an IP68-rated waterproof architecture and a robust, chemically inert body, this sensor guarantees exceptional longevity and consistent measurement accuracy in complex industrial environments where standard probes would typically fail.