Amphenol Advanced Sensors' thermometrics CR1 coating offers one of the most advanced high-performance coatings on the market. Originally developed for the automotive industry for harsh environment applications such as exhaust gas recirculation (EGR) systems, air intake manifold (AIM) sensors, and temperature and manifold absolute pressure (TMAP) sensors, the CR1 coating offers a unique combination of properties that can be used in many applications where moisture, high-temperatures, or chemicals can damage other thermistor coatings.