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Lightweight aluminum construction for easy portability and use at any test location. Unique telescopic design for quick set up and storage during transport to the field. Direct-reading dial indicators eliminate need for conversions or calculations during measurements. Dial indicator vibrator system for accurate pavement measurements. The Benkelman Beam measures the deflection of a flexible pavement […]
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The Benkelman Beam measures the deflection of a flexible pavement under moving wheel loads in accordance with AASHTO test T-256.
The unit is designed for maximum operator convenience and accuracy.The unit is made from lightweight aluminum and features a telescoping design to reduce weight and storage space.The direct-reading dial indicator eliminates the need for any conversion or field calculations and the vibrator system assures accurate pavement measurements.
Specifications
| Main Body | 55″ (1,397 mm) long, black finish aluminum. |
| Probe Beam | Aluminum, 8 ft. (2.4 m) long, telescopes into case for storage. |
| Probe Fulcrum. | Ball pivot bearing, gives lever ratio of 2:1. |
| Vibrator System. | Operating switch mounted on top of instrument section (requires 4 “D” size batteries). |
| Dial Indicators. | Compensated for direct reading (not included). |
| Leveling Wheel. | Adjusts beams to proper elevation. |
| Open Length. | 12 ft. (3.7 m) l. |
| Weight. | Net 35 lbs. (15.9 kg). |
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