Siemens 7ME3950-5GM00

Ultrasonic transit time Sensor Clamp-On, High Precision, Size C1H, paired, dedicated, Ex Zone 0,1,2, Class 1, Div 1,2, for steel pipe, Liquid/Gas, Pipe wall thickness from 4,1 - 5,8 mm (0.16 - 0.23 in), Best Temperature