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Bituminous Mixtures Theoretical Maximum Specific Gravity Tester

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This instrument is designed and made as pe Standard Test Method for Theoretical Maximum Specific Gravity of Bituminous Mixtures(Vacuum process)
It is suitable to determine the theoretical maximum specific gravity of bituminous mixtures by vacuum process.

  • TBT-0711A
  • TBTSCIETECH

This instrument 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 overs 3%.


1. It adopts single chip technology to vacuumize, shake, fill up 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 the vacuum pump.

5. It can test two samples at the same time. Test efficiency is high.The structure is reasonably designed.


1. Power supply

220VAC 50HZ

2. Volume of vessel

4000ml×2

3. Power of vacuum pump

160W

4. Negative pressure Allowable bias is ±0.3 kPa.

3.7 kPa(27.75mmHg).

5. Power of shaking machine

30W

6. Dimension

510mm×520mm×380mm               


 Standard accessories

No.

Name

Unit 

Qty

1

Main Unit

Set

1

2

Negative pressure container(4000ml)

(installed on machine)

Piece 

2

3

Sealing ring

Piece

2

4

Fuse 3A(Ф5×20)

Piece

2

5

Glass cover-plate

Piece

1

6

Quick-plug and connecting pipe(1 meter)

Piece

1

7

Operation manual

Piece

1

8

Quality certificate

Piece

1

9

Repair Guarantee

Piece

1

  


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