The Yokogawa UT35S is a digital indicating PID controller that was discontinued as of January 1, 1997. Designed for precise temperature control, it features a 4-digit, 7-segment display capable of measuring temperatures from 0 to 1700°C (32 to 3100°F). Operating within a voltage range of 90 to 250 VAC at 50/60 Hz, this controller was commonly used in various industrial temperature regulation applications. For those seeking alternatives or replacements, models like the UT55A and UT52A offer updated options. This product is available through BSP Automation, providing reliable access to specialized automation equipment.