Siemens 7ME3951-0LU00

Ultrasonic transit time Sensor Clamp-On, High Precision, Size D3H, paired, Portable with BNC adapter for steel pipe, Liquid, Pipe wall thickness from 7,4 - 9,0 mm (0.293 - 0.354 in), Temperature max. -40C - +121C/-40F - +250F Housing Polyetherimide/Alu non corrosion, incl. Couplant 7ME39600UC20 and sanding block for FST020, FST030 (FUS1010)