| Description: This is a special instrument for moulding in the test of asphaltum mixture. It is suitable to the standard of JTJ052-93.
Technical specification:
1. Weight of Sinker: 4536±9g
2. Fall of Sinker: 457mm±1.5mm
3. Speed of Striking: 60times/min
4. Striking Times is prestored. Range of prestore: 0～99
5. This instrument has the function of memory.
6. Electrical Power: 220V±10% 50Hz AC
7. Wasting Power: 370W
8. Exterior Dimension: 540×540×1650mm
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