"The ToughSonic 30 is an all-purpose ultrasonic sensor with a maximum range of 30 feet (9.1 meters). Like all ToughSonic sensors, it’s built for durability and ease of use in tough industrial environments. It’s fully immersible, corrosion resistant, shock resistant and all around tough. It is also fully configurable with SenixVIEW software.","The 1.5 inch (38.1 mm) housing has 1.5 inch NPT threading on each end and a smooth middle section for a variety of mounting options. This sensor has a 9-wire cable that allows up to six simultaneous serial, analog and\/or switch outputs. These workhorse sensors are used around the world in remote monitoring and demanding factory environments."