The Guardian Electric A422-064104-02 is a screw-in thermistor device designed for temperature sensing applications. The device features a standard two-lead design with a 3/32 inch diameter thermistor and integrated thermally conducting silicone glue. It has a wide range of operating temperatures (-60°C to 250°C) making it suitable for a variety of applications. The A422-064104-02 is IP67 rated and tested to NEMA 4X standards, making it ideal for hazardous and harsh environments. It is also CE, UL and FM approved, adding to its robustness and quality. It offers reliable precision in temperature sensing applications at an economical cost.