Penetrometer LMPT-A13 is a fully automatic unit for determining needle penetration of highway bitumen, modified asphalt, as well as liquid petroleum asphalt or residue of emulsified asphalt after evaporation material. It has 0.6 penetration measurement accuracy with stable test repeatability. Automatic drawing and print of nomogram of asphalt penetration with special designed computer drawing software and data accurate reading technology. Consists of automatic lifting device for penetration measurement. It is ideally used for petroleum, emulsified asphalt and highway bitumen, etc.
| Measurement range | 0 to 600 penetration scale |
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| Timing range | 0 sec to 60 sec |
| Time accuracy error | ≥ ± 0.1 seconds |
| Resolution | 0.1 penetration |
| Power consumption | 200 W |
| Power supply | AC 220 V ± 10 %, 50 Hz |
| Needle diameter | 50 mm |
| Sample container (D × H) | 55 mm × 35 mm |
| Dimensions (L × W × H) | 260 × 400 × 600 mm |
| Standard weight | 50 g |
| Weight of standard needle | 2.5 ± 0.05 g |
| Net Weight | 15 kg |
Widely used for determining needle penetration of highway bitumen, modified asphalt, as well as liquid petroleum asphalt or residue of emulsified asphalt after evaporation.
| Measurement range | 0 to 600 penetration scale |
| Timing controller | 5 sec or 60 sec |
| Time accuracy | ± 0.1 seconds |
| Resolution | 0.01 mm |
| Penetrometer |
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| Circulatory Water Bath |
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| Measurement range | 0 to 600 penetration scale |
| Timing controller | 5 sec, 8 sec, 10 sec, 12 sec, 30 sec and 60 sec |
| Time accuracy | ± 0.1 seconds |
| Resolution | 0.01 mm |
| Beaker quantity | 600 ml |
| Ambient temperature | (-10) °C ~ 40 °C |
| Relative humidity | ≤ 85 % |
| Thermometer Measurement range | (-5) °C ~ 300 °C |
| Ambient temperature | ≤ 35 ℃ |
| Relative humidity | ≤ 85 % |
| Heating power of electric furnace | 250 W × 2 |
| Total power consumption | ≤ 700 W |
| 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 |
| Potential measuring range | (0 to ±1999.5) Mv |
| Intrinsic error | 0.1 % ±0.5 mV |
| Input impedance | Ri ≥1 × 1012 Ω |
| Burette capacity | 10 mL |
| Capacity | 2.0 kVA |
| Speed of voltage increase | 2 k V/ s |
| Voltage inspection accuracy | 0.01 |
| Breakdown sensitivity | < 0.1 kV |
| Temperature Range | Ambient to 100°C |
| Temperature Precision | ± 0.1°C |
| Air Flow | 94 mL ± 5 mL/min, with flowmeters |
| Timing Unit | 0 to 99 min 59 s, resolution 1 s |