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Thermistors & Thermistor Probes
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Epoxy Coated
Epoxy Coated Thermistor Sensors from EI Sensor are designed to provide low-cost and reliable temperature measurement and protection in harsh environments.
Glass Body Thermistor Sensors
Featuring a durable epoxy coating, these thermistors are highly resistant to chemicals and mechanical stress, making them ideal for demanding applications. EI Sensor offers a broad selection of epoxy thermistors, each tailored to meet the specific needs of industries such as HVAC-R, medical, and industrial equipment. Whether for precision control or general temperature monitoring, these low-cost sensors ensure accurate and consistent performance. With a focus on innovation and quality, EI Sensor’s epoxy-coated thermistors deliver dependable results across a wide temperature range.
Uses & Applications
Features
Designed to handle the rigors of harsh environments, epoxy-coated thermistors are ideal for temperature sensing applications requiring durable construction, high accuracy, and long-term stability. These sensors are particularly effective in applications exposed to humidity, chemicals, or mechanical stress, thanks to their protective epoxy coating.
In the HVAC-R industry, epoxy thermistors are essential for maintaining precise temperature control in heating, ventilation, and refrigeration systems, ensuring energy efficiency and reliability. Medical devices, which demand accuracy and consistency, also rely on these thermistors for precise patient monitoring and equipment operation.
In industrial equipment, epoxy-coated thermistors provide robust temperature measurement for machinery operating under extreme conditions, such as in motors and engines. They are also used in building automation systems, helping regulate environmental controls to optimize comfort and energy use. Additionally, the food processing industry benefits from their reliability in temperature-sensitive environments, assuring safe handling and storage conditions.

For Original Equipment Manufacturers (OEMs) across a variety of sectors, epoxy thermistors are a go-to solution for applications that require long-lasting, dependable sensors. With their versatility and ability to perform consistently under challenging conditions, these thermistors offer an economical and effective solution to a wide array of temperature sensing needs.
EI Sensor’s epoxy thermistors are designed for durability and precision in demanding environments. Their protective epoxy coating offers excellent resistance to chemicals and physical wear, making them ideal for harsh conditions.
These thermistors provide reliable temperature measurements over a wide operating range, from -55°C to +150°C, ensuring accuracy in both low and high temperatures. Their fast response time allows for quick temperature adjustments, which is essential in applications that require precise control.
Customization is a key feature, with options for various resistance values and temperature coefficients to match specific application needs. These sensors are also engineered for long-term reliability, providing consistent performance and reducing maintenance needs over time.

Let’s discuss your temperature-sensing needs! Contact EI Sensor today for a custom solution tailored to your application. Email us for a quote or engineering assistance.
Thermistor Probes
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.