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GD-0711A Bituminous Mixtures Theoretical Maximum Specific Gravity Tester

It is used to design the ratio of bituminous mixtures, survey the road condition or calculate the void ratio and compactness of road construction.
It is not available to determine the lacunose bituminous mixtures which water absorption over 3%.

Quantity:
  • GD-0711A
  • GOLD
  • GD-0711A

GD-0711A Bituminous Mixtures Theoretical Maximum Specific Gravity Tester

 

Introduction: 
Our theoretical specific gravity tester is designed and made as per T 0711-2011 Standard Test Method for Theoretical Maximum Specific Gravity of Bituminous Mixtures (Vacuum pr℃ess) in JTG E20-2011 Standard Test Methods for Bitumen and Bituminous Mixtures for Highway Engineering. It is suitable to determine the theoretical maximum specific gravity of bituminous mixtures by vacuum pr℃ess. It is used to design the ratio of bituminous mixtures, survey the road condition or calculate the void ratio and compactness of road construction. It is not available to determine the lacunose bituminous mixtures which water absorption over 3%.
 

I. Main technical features:
1.  It adopts single chip machine technology to vacuumize, shake, fill air and relieve pressure automatically.
2.  Equipped with a high-accuracy absolute pressure sensor, the negative pressure can reach 3.7 kPa±0.3 kPa.
3.  The working status of the vacuum pump can be reflected by a vacuum meter.
4.  It equips a water buffer device to prevent the water in the negative pressure container from flowing into can determine two samples at the same time. Test efficiency is high. The structure is reasonably designed. It is easy to use.
 

II. Main technical specifications:

 Power supply AC (220±10%) V, 50Hz.
 Volume of vessel 4000ml×2
 Power of vacuum pump160W
Negative pressure 3.7 kPa(27.75mmHg). 
Allowable bias is ±0.3 kPa.
Power of shaking machine30W
Dimension 510mm×520mm×380mm  

 

III. Optional accessory:

Constant temperature water bath:  HWY-1 Low-temperature water bath 

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