The UFA200, UFA150FB, UFA150CP are ultrasonic distance sensor manufactured by WayCon Positionsmesstechnik GmbH. The measuring ranges of the series are 0 mm to 150 mm and 20 mm to 200 mm. It has a working temperature of -25 to +70 °C. It is equipped with special sensors that has small sound cone and chemically resistant. It meets with the IP65 protection class standards.