Siemens 7ME3950-5GT00

Ultrasonic transit time Sensor Clamp-On, High Precision, Size B3H, paired, dedicated, Ex Zone 0,1,2, Class 1, Div 1,2, for steel pipe, Liquid/Gas, Pipe wall thickness from 2,7 - 3,3 mm (0.106 - 0.128 in), Best Temperature