Bending Beam Rheometer

Bending Beam Rheometer

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  Part Number & Name Price QTY
Bending Beam Rheometer, 120V 60Hz H-1642
Bending Beam Rheometer, 120V 60Hz
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Bending Beam Rheometer

Supports the following standards: AASHTO T313-02

The bending beam rheometer (BBR) performs flexural tests on asphalt binder and similar specimens per tests, initially developed by the Strategic Highway Research Program (SHRP), which consist of a constant force being applied to a specimen in a chilled fluid bath in order to derive specific rates of deformation at various temperatures. The complete BBR system consists of a fluid bath base unit, a three-point bend test apparatus, which is easily removed from the base unit for specimen loading and unloading, an external cooling unit with temperature controller and a calibration hardware kit with carrying case. The unit features an integral, stainless steel load frame and in-line, blunt-point loading shaft. The large, easy-to-read digital display shows load, displacement, and bath temperature for ease of setup and operation. Real-time displacement, loading, and temperature graphs are displayed during the test cycle and can be re-plotted and re-scaled as needed for easy viewing.

The BBR uses a linear, variable-displacement transducer (LVDT) with a range of 6.35mm and accuracy to ±2mm measures deflection. The temperature-compensating 500g load cell with mechanical overload protection ensures accurate load results. Safe, rapid cooling of the ethylene glycol mixture test fluid to -40° to 25°C is provided by a mechanical refrigeration system. Process temperature is controlled and monitored by two, independent, platinum RTD temperature transducers maintaining temperature stability.

The BBR comes with a pre-loaded software package, which allows for device configuration, daily verifications, test setup, test initiation, and reporting. It also includes five aluminum specimen molds with mylar strips, a Calibration Kit with required weights, and confidence beam. Calibrated test weights and a certified LVDT (NIST-traceable). The easy-to-use software allows daily verification and periodic calibration of load cell, LVDT, and RTD transducers

Dimensions: 49" x 49" x 41" (1,245 x 1,245 x 1,040mm). An adequate compressed air source must be supplied by user.

Power Requirements:115V 60Hz or 230V, 1ph, 50/60 Hz
TTemperature Range:-40 to 25°C
Operating Temperature:Ambient to -40°C
Test Load:Variable test range from 0-200g standard within +/- .5g
Test Cycle Times:Cycle times for pre-load, recovery, and test load are completely operator adjustable.
Load Cell:500g (temperature compensated)
LVDT Displacement Transducer:0.25 in. (6.35 mm.) calibrated range to provide 2um resolution throughout testing and verification range
Coolant Capacity:2 gallons (7.57 liters)
Recommended Cooling Bath Fluid:Non-flammable ethylene glycol mixture
Temperature Measurement:Platinum RTD
Compressed Air Requirements:50 psi (0.34 MPa) clean, dry air supply required
Weight:Approximately 270 lbs.
Dimensions:24.125" W x 24.125" D x 23.25" H (w/ load frame)


  Part Number & Name Price QTY
Specimen Mold Set (5 per set)
Mylar Strips, 5 sets of 3 ea
Bending Beam Rheometer, Calibration Kit
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Manuals, Data Sheets & Safety Data Sheets
Bending Beam Rheometer (Data Sheet PDF)


AASHTO T313-02

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