Enquiry:hkmarketing@epc.com.hk 
The Interlaken Direct Tension System for
asphalt is a complete instrument for evaluating stiffness and failure
properties of asphalt binders at low "in-service" temperatures
(AASHTO T 314). Interlaken DTT results, in conjunction with Bending Beam
Rheometer (BBR) data, provide a more complete characterization of the asphalt
binder. Use Interlaken DTT data to predict the temperature at which thermal
cracking will occur in the roadway.
The Windows® based software is completely
automated, requiring minimal operator intervention. Developed specifically for
performing the AASHTO T 314 asphalt binder test of low temperature thermal
properties, it controls and records all appropriate parameters. Results may be
simultaneously displayed on the computer screen and saved to hard drive, while
the test is in progress. The data may be easily exported to other applications
such as Microsoft Excel. Both data acquisition & closed loop control
utilize integrated 16 bit digital processing to ensure precision and sensitivity.
Mechanical System:
To provide the most accurate and repeatable
results possible, the following key features have been incorporated into the
overall system design:
• A stiff load frame and measuring head to
provide very little friction or errors associated with system compliance.
• A high performance Exlar actuator driving
the measuring head and providing maximum dynamic response and sensitivity
without the backlash or wind-up.
• Key sensor and load cell components are
isolated from the fluid bath, ensuring a safe and stable environment.
• The linear sensor is mounted across the
specimen to provide the most accurate strain rate and position information.
• System capable of forces in excess of
500N and speeds from 0.372 mm/min to 312mm/min.
