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ASTM D4402, AASHTO TP48
The Brookfield viscometer is used to measure the apparent viscosity of paving asphalt
above 45 degree C, viscosity curve under different temperature is obtained thus to
determine the construction temperature of asphalt mixtures.
1. Simple and reliable measure method
2. Can measure absolute viscosity directly3. Viscosity-temperature curve can be drawn, and the recommended mixing and compacting temperature range is given.
| Measuring range: | 100mPa • s ~ 200000mPa • s |
| Rotor specifications | 21, 27, 28, 29 four rotors |
| Rotor speed | 5, 10, 20, 50r / min four gears |
| Measurement error | ± 1% (F • S) |
| Measurement method | manual, automatic |
| Temperature control range | room temperature to 200 ºC |
| Temperature control accuracy | ± 0.1 ºC |
| Volume of sample container | 20ml |
| Working power | AC 220V / 50HZ |
| Ambient temperature | 5 ºC ~ 35 ºC |
| Relative humidity | not more than 80% |
| Dimensions | 400X400X300mm |
| Weight | 25Kg25Kg |
| Power | 1KW |
Auxiliary equipments needed for the Brookfield viscosity test
1. Drying oven, max temperature up to 300 degree C
2. Thermometer with resolution 0.1degree C
3. Stop watch
0# Rotor assembly
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