TS-1 Aggregate Screening Machine without ScreensGilson TS 1 Shaker The TS 1 testing screen is great for particle size determinations on large samples of aggregates and other coarse materials Utilizes a fast acting hydraulic pump system to clamp the screen trays in place and the trays are quickly released using the same handle Designed for labs with a heavy particle size testing workload Shaker screen trays and dust collection pan are sold separately 3 to 4 week standard lead time For a collection