Siemens 7ME3951-0LC00

Ultrasonic transit time Sensor Clamp-On, Universal Size B3, paired, Portabel-BNC any pipe materials, Liquid, Pipe Diameter range 19 - 127 mm (0.75 - 5 in), Temperature -40C - +121C (-40F - +250F) Housing Polyetherimide/Alu non corrosion, incl. Couplant 7ME39600UC20 and sanding block for FST020, FST030 (FUS1010)