Conductivity / TDS Sensor for Reliable Water Quality Measurement

The Instrava conductivity and TDS sensor is designed for accurate and stable measurement of conductivity and total dissolved solids in water treatment and industrial process applications. With high linearity, fast response, and strong resistance to corrosion, the sensor delivers reliable performance for continuous online monitoring.

Key Benefits

  • High measurement accuracy and excellent linearity

  • Wide measurement range for conductivity and TDS

  • Stable performance with long service life

  • Cable resistance does not affect measurement accuracy

  • Suitable for standard use, customization, and OEM integration

Liquid Analysis Description  

Why Choose This Conductivity / TDS Sensor

In water quality monitoring, unstable readings or poor linearity can lead to incorrect process control and unreliable data. Instrava’s conductivity and TDS sensor is engineered to provide consistent and repeatable measurements across a wide operating range.

For water treatment operators, system integrators, and OEM manufacturers, this sensor offers:

  • Reliable measurement unaffected by lead wire resistance

  • Consistent electrode coefficient for repeatable results

  • Fast response for real-time monitoring

  • Low maintenance requirements and long operational life

Residual chlorine sensor used in wastewater treatment plant for online water quality monitoring
Water conductivity sensor immersed in water for dissolved ion measurement

Conductivity / TDS Sensor Measurement Technology & Performance

The sensor features a well-matched electrode system with strong electrode coefficient consistency, ensuring high accuracy and linearity across different measurement ranges. Its design minimizes signal drift and maintains measurement stability even in long-term continuous operation.

The sensor supports both conductivity and TDS measurement, allowing flexible application in various water quality monitoring scenarios.

Performance Highlights

  • High accuracy and linear response over the full range

  • Fast response time for dynamic process conditions

  • Stable measurement unaffected by cable impedance

  • Durable construction for long-term industrial use

Liquid Analysis Parameter  

Conductivity / TDS Sensor Technical Specifications

Measured Parameters

  • Conductivity

  • Total Dissolved Solids (TDS)

Conductivity Measurement Range

  • 0.0–19.9 μS/cm

  • 20–199 μS/cm

  • 0.20–2.00 mS/cm

  • 2.00–10.00 mS/cm

TDS Measurement Range

  • 0.0–9.9 mg/L

  • 10–99 mg/L

  • 100–1000 mg/L

  • 1000–5000 mg/L

Measurement Accuracy

  • Conductivity: ±1% FS

  • Temperature: ±0.5 °C

Temperature Range

  • 0–60 °C

Temperature Sensor

  • NTC 2.252K

Pressure Range

  • ≤1 MPa

Material

  • ABS

Ingress Protection

  • IP65

Dimensions

  • Ø26.7 × 160 mm

  • Ø12 × 120 mm

Instrava OEM/ODM  

Tailored Sourcing & Customization: Getting You the Exact Product You Need

As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.

Finding the right product in a massive supply chain can be challenging. That is where we step in.

As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.

How We Customize to Fit Your Procurement Needs

  • For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.

  • For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.

  • For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.

Why Partner with Us for Custom Sourcing?

  • One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.

  • Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.

  • Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.

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Related Product Recommendations  

The sensor uses a well-matched electrode system with strong electrode coefficient consistency, ensuring high linearity and accurate readings across multiple conductivity and TDS ranges.

No. The sensor design minimizes the influence of lead wire impedance, allowing accurate measurement even when installed at a distance from the controller.

Yes. The sensor supports both conductivity and TDS measurement, making it suitable for various water quality monitoring and process control applications.

The sensor is designed for continuous operation with stable performance, fast response, and low signal drift, making it suitable for long-term online monitoring.

The sensor features a corrosion-resistant construction and stable electrode design, enabling reliable operation and long service life in industrial water applications.

Instrava provides customization and OEM support, including measurement range selection, mechanical configuration, and system integration to meet specific project requirements.

Why Trust Instrava?

We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.

Our very existence depends on helping you source the products that are the perfect fit for your needs.

Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.

We help you avoid intermediaries posing as factories.

We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.

Our multilingual team ensures effective communication.

For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.

Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.

Please place your trust in us.

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