
Overview
The HK-4509A automatic asphalt penetration tester complies with the requirements of test method T0604-2011 in GB/T 4509 and JTG E20-2011 “Test Procedures for Asphalt and Asphalt Mixture in Highway Engineering”, and is used to determine the penetration of solid and semi-solid asphalt materials.
Functional features
1 Touchscreen operation, results are directly displayed within 5s, and data storage and upload are convenient
2 Led-assisted lighting and multi-angle magnifying glasses facilitate cone alignment
3 The imported laser sensor from Japan provides precise distance measurement with an accuracy of 0.01mm
4 Thickened aluminum workbench with built-in level gauge and scale lines
5 It is convenient to install the needle body
6 The motor automatically lifts and lowers, and precise cone alignment is achieved through speed regulation
7 Optional 0.1℃ precision dedicated constant temperature bath
Technical parameters
1 Power supply: AC 220V±10%, 50Hz
2 Power: 500W
3 Distance measurement method: Laser distance measurement
4 Ranging accuracy: (650±0.01) mm
5 Timing: (5±0.1) seconds
6 Cone control: Electromagnetic engagement (manual and automatic integrated)
7 Lifting mode: Infinitely adjustable speed
8 Environmental requirements: Temperature 5℃ to 45℃; Humidity ≤85%



Thermometer Name Temperature Measurement Range
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