STLZ-5D Low Temperature Double-digital Display Asphalt Penetrometer
Standard: Complies to ASTM D5, AASHTO T49
Parameters:
1. Digital display of penetration depth and time set;
2. Penetration Needle 2.5g, hardened steel, with shaft suitable for the plunger;
3. Plunger: 97.5g;
4. Specimen container: 55(dia)×35mm
5. Penetration measuring resolution: 0.01mm
6. Max. penetration depth: 50mm
7. Water bath foundation is electrically elevated.
8. Needle penetration: default time is 5 seconds, 1-99 seconds are available for special requirement;
9. Temperature control accuracy: 0.1°C
10.Working temperature is between 5°C-70°C
Digital Asphalt Penetrometer