Siemens 7ME3950-5GR00

Ultrasonic transit time Sensor Clamp-On, High Precision, Size D4H, paired, dedicated, Ex Zone 0,1,2, Class 1, Div 1,2, for steel pipe, Liquid/Gas, Pipe wall thickness from 15,7 - 31,8 mm (0.62 - 1.25 in), Best Temperature