Model TO-566
Benkelman Beam
The Benkelman Beam uses a balanced beam in conjunction with a suitable vehicle to measure road flexure. It is a convenient, accurate device for measuring the deflection of flexible pavements under moving wheel loads.
Operating on a simple lever arm principle, the unit consists of a reference beam, body, two-part probe beam and rear zero adjust. The equipment is supplied with a wooden carrying case.

Key Features
♦ Applicable standards: AASHTO T-256
♦ Lightweight aluminum construction
♦ Easy to transport
♦ Unique telescopic design to simplify field set-up
♦ Compact, reduced storage space needed

Standard and Optional Accessories
Supplied as standard:
♦ Dial gage with TO-566-1
♦ Digital gage with TO-566-1D
Optional accessories:
♦ TO-072 Dial gage for TO-566-1
♦ TO-072-DG Digital gage for TO-566-1D
