Siemens 7ME3950-5GL01

Ultrasonic transit time Sensor Clamp-On, High Precision, Size B2H, paired, dedicated, Ex Zone 0,1,2, Class 1, Div 1,2, for steel pipe, Liquid/Gas, Pipe wall thickness from 3,0 - 4,1 mm (0.12 - 0.16 in), Best Temperature