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Testmak Material Testing Equipment

Benkelman Beam Device

Product Code

B1570 Benkelman Beam Device


AASTHO T256-77 | CNR N141

General Description

The Benkelman Beam Device 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. The device is made of aluminium alloy.
The Benkelman Beam Device is supplied with;
• Lenght of the Benkelman Beam Device is 2500 mm beam fulcrum ratio 4:1.
• Dial indicator
• Wooden carrying case.


Probe Length

2500 mm

Weight (approx)

15 kg