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Fast Delivery High Precision Digital Asphalt Bending Beam Rheometer Test Procedure

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Fast Delivery High Precision Digital Asphalt Bending Beam Rheometer Test Procedure

Bending Beam Rheometer

The Pavetest BBR is a thermoelectrically-cooled bending beam rheometer for testing flexural creep of asphalt binders from ambient to –40 °C (± 0.03 °C). The load is applied by a miniature servo-controlled actuator capable of applying up to +/- 10N and loading frequency from static to 25Hz, without the need for compressed air supply. The use of servo-control eliminates the need for frequent calibration and repeated adjustment of air bearing pressures. Just enter the required load and the servo-controlled actuator will apply and maintain the requested load with incredible precision. The temperature is controlled very precisely using a temperature controller mounted on the front of the machine. The user can set the bath temperature using the controller or via the software. The BBR is supplied complete with a suitable chiller to ensure a temperature range between ambient and -40°C.

1. Load range:
0-500g
2. Load accuracy:
0.1g
3. Flexural creep stiffness modulus:
20-1000MPa
4. Displacement range:
0-50mm
5. Displacement accuracy:
1μm
6. Preload force:
35mn (±10mn)
7. Actual loading force:
980mn (±50mn)
8. Temperature range:
room temperature~-40℃±0.1℃
9. Working power supply:
220V, 50Hz
10. Equipment size:
(H*W*D) 410*590*960mm
11. Loading method:
pneumatic loading
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