This is paragraph text. Click it or hit the Manage Text button to change the font, color, size, format, and more. To set up site-wide paragraph and title styles, go to Site Theme.

This is paragraph text. Click it or hit the Manage Text button to change the font, color, size, format, and more. To set up site-wide paragraph and title styles, go to Site Theme.

This is paragraph text. Click it or hit the Manage Text button to change the font, color, size, format, and more. To set up site-wide paragraph and title styles, go to Site Theme.

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

Hand connecting wires to an outdoor electrical junction box on a stone wall

How Thermistors Help Prevent Thermal Runaway

By Teri Wilfong • October 28, 2026
Learn how thermistors help prevent thermal runaway through early temperature detection, reliable monitoring, and overheat protection in batteries and electronic systems.
Hand holding a digital pressure gauge reading 31.4 BAR in an industrial control panel area

Managing Thermal Lag in Fast-Response Applications

October 21, 2026
Learn how to reduce thermal lag in fast-response temperature sensing with insights on sensor design, probe materials, placement, and custom thermistor and RTD solutions.
Hands holding an orange handheld instrument with a keypad and screen in a lab setting

What is a Thermocouple?

September 21, 2026
Learn what a thermocouple is, how it works, common thermocouple types, applications, and how thermocouples compare to thermistors and RTDs.

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.