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.

Medical temperature sensors

In medical applications, accuracy and reliability are paramount, and our temperature sensors are designed to deliver both. These sensors are specifically crafted for use in diagnostic equipment, patient monitoring, and life science devices, ensuring that they meet the stringent standards required in healthcare environments.

Our medical Sensing Solutions

We provide temperature sensing solutions tailored for the precision and reliability demanded by medical and life science applications. From patient monitoring to diagnostic equipment, our sensors support accurate, stable performance in sensitive healthcare environments.

Thermistors

Thermistors deliver fast, precise temperature measurements with high sensitivity and reliability. Ideal for compact spaces and tight-tolerance applications across a range of industries.

Thermistor Probes

Encapsulated for protection and easy installation, thermistor probes provide dependable temperature readings in air, liquid, or surface environments. A versatile solution for HVAC, medical, and commercial systems.

RTD Sensors

RTD sensors offer excellent accuracy, repeatability, and long-term stability—making them ideal for applications where precision is critical. Available in multiple resistance values and configurations to meet your system’s demands.

RTD Probes

Designed for rugged environments, RTD probes combine robust construction with precise sensing performance. Commonly used in industrial, process control, and high-reliability systems.

Custom Sensors

When off-the-shelf options don’t meet your needs, our custom sensors are built to your exact specifications. From form factor to function, we work with you to deliver temperature sensing solutions that fit seamlessly into your application.

Temperature Sensing Insights

Assorted temperature sensors with various terminal types and wire colors.

Thermistor Averaging Sensors Explained

January 22, 2026
Thermistor averaging sensors measure multiple points for steadier HVAC, lab, and industrial control, improving accuracy, reliability, and efficiency.
Five black round thermistors with silver leads, varying in size.

What Is an Inrush Current Limiter? Types, Uses, & Benefits

January 9, 2026
Learn what an inrush current limiter is, how NTC and PTC types work, key benefits, and applications from EI Sensor.
HVAC technician uses gauges on an air conditioning unit; red and blue gauges attached.

How Temperature Sensors Improve Efficiency in HVAC Systems

January 9, 2026
Learn how temperature sensors improve HVAC efficiency and control while EI Sensor delivers reliable thermistors and RTDs for modern HVAC systems.

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.