Summary
The instrument is designed and made as per T0722-1993 Standard Test Method for Bitumen Content of Bituminous Mixture by the Centrifuge Separation Method in Industrial Standard of People’s Republic of China JTG E20-2011 and ASTM D2172 Specification and Test Methods for Bitumen and Bituminous Mixture for Highway Engineering. It is suitable to determine bitumen content (bitumen-mineral aggregate ratio) in the bituminous mixture, which is made of viscous petroleum bitumen, by the centrifuge separation method.
 
I. Main technical features
1. Thicken aluminum alloy vessel. Stainless steel centrifugal shaft and instrument shell. Never rust .
2. Precise mechanical manufacturing technology. The rotation is stable and speed is fast.
3. Digital display timer.Multilevel start. Stable test operation.
 
II. Main technical specifications

Rated rotation speed	3000r/min
Power supply	AC（220±10%）V，50Hz
Volume	3000g
Timer	40, 60, 80, 99（s）
Maximum power consumption	550W
Ambient temperature	10℃～35℃
Relative humidity	≤85%
Net weight	34.5Kg
Dimension	430mm×410mm×445mm