The Yanmar PTR-S is a high-precision platinum resistance temperature sensor (RTD), also known as a resistance bulb, engineered for accurate and reliable temperature monitoring. Manufactured by the renowned Meiyo Electric Co., Ltd., this sensor is specifically designed for demanding applications, including marine engines and industrial equipment. Its robust construction features a protective tube made from SUS304 stainless steel, ensuring excellent durability and resistance to corrosion in harsh operational environments. The core of the PTR-S is a Pt100 platinum element, which guarantees stable, repeatable, and precise temperature measurements, making it an essential component for optimal system performance and safety.