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Pavement Technology Inc.

PTI Manufacturers Innovative Asphalt and Aggregate Sampling and Testing Equipment

Laboratory Automatic Gradation Unit (Lab AGU)

The Laboratory Automatic Gradation Unit (AGU) is a particle size analyzer that conducts a complete sieve analysis automatically and transmits the accumulated data to a computer, where the data is saved in an Excel spread sheet for further manipulation and analysis.

The AGU has an Automated Loading System that allows a user to stage up to 7 five-gallon buckets (40- 45lbs.) for gradation analysis or material separation.

The AGU also has a carousel (mounted below the weigh hopper) that is used as a material separator. The carousel can accommodate 8 five-gallon buckets that rotate underneath the discharge hopper.

The AGU allows a user to automate the entire sieve analysis and material separation process and incorporate electronic data transfer.