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Thermistors & Thermistor Probes

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Custom Thermistors & RTDs

We offer custom thermistors and RTDs designed to meet your specific application and performance requirements. From probe design to lead configuration, our team works with you to develop sensor solutions that deliver accuracy and reliability where it matters most.

Benefits of Custom temperature sensors

Application-Specific Design

Custom sensors are built to match the exact needs of your environment, whether it's high heat, tight spaces, or rapid response times.

Improved Accuracy and Stability

Tailoring materials and configurations ensures optimal performance, delivering consistent readings over time—even in challenging conditions.

 Seamless Integration

Custom lead lengths, connectors, and housings simplify installation and ensure compatibility with your existing systems.

Reduced Risk of Downtime

By designing around your specifications, custom sensors help prevent measurement errors and failures that can interrupt operations.

products we can customize

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Thermistors

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Thermistor Probes

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RTD Sensors

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RTD Probes

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Need a Solution? Let's Get in Touch!

Temperature Sensing Insights

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By EI Sensor July 24, 2025
Learn what PTC thermistors are, how they work, and their key applications in temperature sensing, overcurrent protection, and industrial control systems.
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Thermistors are THERMally sensitive resISTORS whose electrical resistance varies predictably with their body temperature, making them ideal tools for monitoring and controlling temperature in numerous applications including household and industrial products.
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Temperature sensors measure and quantify temperature in materials and internal or external environments.
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partner with ei sensor

Using the highest quality materials, state of the art equipment and proprietary production techniques, EI Sensor is dedicated to producing a temperature sensor that meets or exceeds our customers’ requirements. With a strong commitment to quality, continuous improvement is necessary. Our team continues to invest in research and development of new processes as well as enhancing existing processes that will result in a precise, efficient, cost effective thermistor, RTD or temperature probe assembly.