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Thermistors & Thermistor Probes

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Automotive temperature sensors

From engine performance to battery management, accurate temperature sensing is essential in today’s vehicles. Our automotive sensors are built to withstand heat, vibration, and harsh operating conditions—delivering the reliability and precision required for modern automotive systems.

Our Autotmotive Sensing Solutions

We offer temperature sensing solutions designed to meet the rigorous demands of automotive systems. Whether for combustion engines, EV batteries, or climate control, our sensors deliver dependable performance in high-heat, high-vibration environments.

Thermistors

Reliable and highly sensitive NTC thermistors engineered for accurate temperature measurement across a wide range of industries.

Thermistor Probes

Encapsulated thermistor probes designed for durability and fast response in demanding applications like HVAC, medical, and industrial systems.

RTD Sensors

Platinum RTD sensors deliver stable, repeatable performance and precise temperature readings in high-accuracy environments.

RTD Probes

Rugged RTD probe assemblies built for consistent, long-term temperature monitoring in industrial and automotive systems.

Custom Sensors

Custom temperature sensors tailored to meet unique form, function, and performance requirements—designed in partnership with your engineering team.

Temperature Sensing Insights

Ultrasound machine displaying heart scan with waveform data.

The Role of Precision Temperature Sensors in Medical Devices

December 2, 2025
EI Sensor precision temperature sensors keep medical devices accurate, safe, and compliant across monitoring, diagnostics, and sterilization.
Diagram of EI Sensor temperature sensors. Shows epoxy coated, glass encapsulated, and surface mount versions.

How to Choose the Right NTC Thermistor

December 1, 2025
Learn how to select the best NTC temperature sensor with EI Sensor, focusing on accuracy, stability, range, and application needs.
Electric vehicle charging with glowing interface, blue highlights.

How Thermistors are Boosting Electric Vehicle Efficiency

November 25, 2025
EI Sensor thermistors enhance electric vehicle efficiency through precise temperature control that supports safer batteries and reliable EV performance.

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.