Specific Gravity Tester LSGT-A10

Specific Gravity Tester LSGT-A10 determines the theoretical maximum specific gravity of bituminous mixtures in accordance to ASTM D2041 Standard Test Method for Theoretical Maximum Specific Gravity of Bituminous Mixtures (Vacuum process). Adopted with single chip machine technology to shake a loose asphalt mixture sample submerged in water. Vacuum is applied into the sample, to extract out the air bubble.

Vessel Volume  4000 ml × 2
Power of Vacuum pump 160 W
Negative power 3.7 kPa(27.75 mmHg)
Power of shaking machine 30 W
Power supply AC(220±10%)V, 50Hz
Dimension 510×520×380 mm
  • High test efficiency
  • Test 2 samples at one time
  • Adopts single chip machine technology
  • Equipped with a high-accuracy absolute pressure sensor
  • Vacuum meter showing working status of vacuum pump
  • Water buffer device preventing water flow from negative pressure container into the vacuum pump
No. Name
1 Constant temperature water bath

Suitable for measuring theoretical specific gravity of bituminous mixtures. Can also be used for the calculation of the percent of air voids in compacted bituminous mixtures and the amount of bitumen absorbed by the aggregates.

Power supply AC 220 V ± 5 % , 50Hz
Measurement range 0 ~ 75 kV
Voltage rising rate 3 kV ± 10 % / s
Distance between electrodes 2.5 mm
Power supply AC 220 V ± 10 %, 50 Hz
Temperature controlling range in water bath RT ~ 90 ℃ ± 5 ℃
Cooling bath temperature (-35) ℃ ± 1 ℃
Evaporation temperature 35 ℃ ± 1 ℃
Dimension 390 x 260 x 590 mm
Total power consumption ≤ 1200 W
Power supply AC 220 V ± 10 %, 50 Hz
Heating power of water bath 1000 W
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Timing range 1 s to 9 min 59 s
Temperature controlling range Room temperature to 99.9 °C
Ambient temperature Room temperature to 35 °C
Relative humidity ≤ 85 %
Temperature controlling range Room temperature to 99.9 °C
Temperature controlling accuracy ± 1 °C
Heating power 2 kW
Cooling power 0.5 kW
Steam temperature 0 to 400℃
Oven temperature 0 to 500℃
Ambient temperature -10°C to 35°C
Relative humidity ≤ 85 %
Thermometer Each one for 70°C to 90°C , 100°C to120°C , and 125°C to 150°C
Scale division 0.1 ℃
Graduated flasks 100 ml
Scale division of graduated flask 1ml
Distillation flask 125 ml
Ambient temperature ≤ 35 °C
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Precision of titration tube Scale division is 0.02 ml
Total power consumption ≤ 1200 W
Measurement range ≥0.05 mg KOH/g
Potential measurement range 0 to 1800.0 mV
Burette volume 10 mL
Minimum titration volume 0.001 ml
Graduated flask 100 ml,50 ml
Conical flask 100ml
Separatory funnel 250ml
Ambient temperature (-10 )°C to 35 °C
Thermometer 0 ℃ ~ 360 °C
Scale Division 1 °C
Ambient Temperature ≤ 35 °C
Relative Humidity ≤ 85 %
Thermometer 6 ℃ ~ 400 ℃
Scale Division 2 °C
Spout Aperture 0.6 ~ 0.8 mm
Ambient Temperature -10 ℃ ~ 50 ℃
Ambient Temperature 10 ℃ ~ 40 ℃
Relative Humidity ≤ 85 %
Temperature Measurement- Full Scale Ambient temperature to ~ 400 ℃
Temperature Measurement- Repeatability ≤ 4 ℃