Siemens 7ME3951-0LR00

Ultrasonic transit time Sensor Clamp-On, High Precision, Size D4H, paired, Portable with BNC adapter for steel pipe, Liquid, Pipe wall thickness from 15,7 - 31,8 mm (0.62 - 1.25 in), Temperature max. -40C - +121C/-40F - +250F Housing Polyetherimide/Alu non corrosion, incl. Couplant 7ME39600UC20 and sanding block for FST020, FST030 (FUS1010)