EI Sensor is a prominent manufacturer and provider of temperature sensors. Their products include PTC and NTC Thermistors, RTDs (Resistance Temperature Detectors), Thermistor Probes and RTD probes. EI Sensor focuses on innovation, reliability and responsiveness to deliver temperature sensing products for the most complex applications. Their design principles, manufacturing techniques and extensive development/testing deliver the highest quality products with reliable, repeatable results. EI Sensor customers can be confident that their temperature sensors will work as they need them to, when they need them to.