The Endress Hauser FMU90-R11CA213AA1A is an ultrasonic level transmitter designed for reliable level and pump control applications. This device, known as the Prosonic S FMU90, features a durable polycarbonate field housing rated IP66/NEMA 4X, making it well-suited for use in non-hazardous environments. It includes an illuminated display with a keypad for easy operation and supports alternating measurement modes. The transmitter is equipped with two sensors (FDU9X/8X) and a single-pole double-throw (SPDT) relay for flexible control options. Communication is handled via PROFIBUS DP, and the unit operates on a wide voltage range of 90 to 253 VAC. This level transmitter is available through BSP Automation, providing a robust solution for industrial automation needs.