AASTHO T256-77;CNR N141
ETG-478 BENKELMAN BEAM DEVICE
Benkelman Beam Device, alluminium alloy made, complete with dial indicator and accessories, it is utilized to measure the deflection of the road surface when loaded by the wheels of vehicles.
The beam is put in contact with the pavement under test between the tires of the vehicle.
The measurement of the deflection is performed when the vehicle passes over the test area.
Lenght of the Benkelman beam is 250 cm. Beam fulcrum ratio 4:1 Supplied complete with wooden carrying case.
Weight: 15 Kg