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.

Thermistors & Thermistor Probes

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.

Industrial temperature sensors

Built for performance in demanding environments, our industrial temperature sensors offer reliable measurement in applications exposed to heat, vibration, moisture, and more. Whether you're monitoring process equipment, automation systems, or heavy machinery, our sensors provide the accuracy and durability your operation depends on.

Our Industrial Sensing Solutions

Our industrial sensing solutions are engineered for reliability in rugged environments, delivering accurate temperature data to keep your operations running smoothly.

Thermistors

Our thermistors provide fast, precise temperature measurement with high sensitivity and stability. Ideal for tight-tolerance applications, they’re available in a variety of resistance values and configurations.

Thermistor Probes

Designed for easy integration, our thermistor probes combine accurate sensing with durable housings. They're well-suited for surface, air, or fluid temperature monitoring across many industries.

RTD Sensors

RTD sensors offer excellent linearity and long-term stability, making them ideal for critical applications that demand consistent, repeatable results. We offer a range of elements and resistance values to fit your exact needs.

RTD Probes

Built for rugged use, our RTD probes deliver precise measurements in industrial and commercial environments. Choose from standard or custom probe designs for seamless system integration.

Custom Sensors

When off-the-shelf solutions fall short, we collaborate to develop custom sensors tailored to your application's specifications. From unique form factors to specific electrical characteristics, our custom builds deliver performance without compromise.

Temperature Sensing Insights

There are many different types of thermometers on a white surface.

What is a Thermistor Probe?

By EI Sensor • August 1, 2025
Learn what a thermistor probe is, how it works, and why it’s ideal for accurate temperature sensing in industrial, medical, and HVAC applications.
A blue and orange logo for ei sensor technologies

EI Sensor Technologies Engineer Training

By EI Sensor • July 30, 2025
Upcoming event
A bunch of different types of electronic components on a white background

Temperature Sensor Terminology

By EI Sensor • July 28, 2025
Explore key temperature sensor terminology and definitions to better understand RTDs, thermistors, accuracy, response time, and more in sensor applications.
Show More

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.