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Mechanical Soil Compactor automatically counts the number of hammer blows and shuts off when a preset number is reached. The Mechanical Soil Compactor brings big improvements in functional accuracy, ease of use, reliability, and safe operation to your laboratory. The HM-530 Compactor eliminates the strenuous and repetitive manual operation of compaction hammers. Hammer blows are accurately counted and evenly distributed for each soil lift placed in the compaction mold. Automatic indexing of the turntable positions the mold for each new hammer drop. The simple and efficient chain-drive lift system employs a compensating mechanism to adjust the hammer drop for soil thickness in the mold during compaction. Hammer mass is concentrated near the bottom for better transfer of energy to the soil specimen. This unit is a safe and efficient method for processing soil density soil samples, assuring uniform compaction and accurate, repeatable test results.
The Compactor can be used with HMA-110 & HMA-111 4in (102mm) ID Molds, 5.5lb (2.5kg) weight with 12in (305mm) drop. The HM-530 also accommodates HMA-116 & HMA-117 6in (152mm) ID Molds using either the standard 5.5lb (2.5kg) weight with 12in (305mm) drop or the modified 10lb (4.5kg) weight with 18in (457mm) drop. The standard 2in (51mm) hammer can be replaced by one of the same 3.14in² areas but with a pie-shaped face to cover the entire sample surface within 6in molds. The hammer lift compensates the hammer drop for soil thickness in the mold during compaction. The free-fall hammer adjusts easily from 5.5–10lb by the addition of a surcharge weight.
HM-530 Mechanical Soil Compactor includes a 2in (51mm) round, 5.5lb (2.5kg) hammer, a 10lb pie-faced hammer for use with 6in molds, and a surcharge weight to increase total hammer weight to 10lbs (4.5kg). 4in (102mm) and 6in (152mm) standard compaction molds and a digital automatic counter with start/stop switching are also included. The electronic safety interlock automatically shuts down operation if the door is opened.
HM-531 Mechanical Soil Compactor for California Method 216 is similar to HM-530 but is supplied with a 2in (51mm) round 10lb hammer, required piston, and rod. HMA-119 Relative Soil Compaction Mold for California Method 216 is 2.875x16in (73x406mm), IDxH, and is available to order separately.
HM-530 and HM-531: 115V, 60Hz, 8 amps
HM-530F and HM-531F: 230V, 50Hz, 4 amps
HM-530: 400.0lb (181.44kg)
HM-530F: 450.0lb (204.12kg)
HM-531: 500.0lb (226.80kg)
HM-531F: 550.0lb (249.48kg)
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