ZR-3 / ZR-5 Asphalt Penetrometer
Used to determine the penetration of asphalt binder, evaluating its softness, hardness and penetration grade for quality control and grading of paving asphalts. Standard penetration test apparatus for asphalt laboratories, with precise needle travel measurement and a stable test platform.
| Parameter | Specification |
|---|---|
| Standard | ASTM D5 / GB/T 4509 |
| Total needle load | 100 g (±0.05 g) |
| Test temperature | 25 °C (±0.1 °C) |
| Test time | 5 s / 60 s selectable |
| Measuring range | 0-600 penetration (0.1 mm) |
| Resolution | 0.01 mm |
| Power supply | AC 220 V, 50 Hz |