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GRM Mobile Testing Lab

The GHMA-609 is a complete mobile testing lab for field control and verification of plant mix asphalt quality. In addition to a Model GHM-604C fully-computerized Gyratory Testing Machine (GTM) for 4 inch (102 mm) dia. Specimens the customized trailer includes 17 ft². of work bench with a 3.2 ft². gravity convention oven, a 5000g x 0.1g electronic top loader balance with weigh-below hook, and a hydraulic specimen extractor. A gyratory compaction test to equilibrium with computer printout showing specimen density, shear strength, and shear strain can be completed in 20 minutes to verify on-the-job mix quality during Superpave or other mix production or placement work. The system gives proof that mix being placed will hold up under simulated traffic load conditions. The trailer interior is 11.8 x 6.8 x 6.5 ft. (1.6 x 2.1 x 2.0m) LxWxH. Air conditioning and heating are provided by a window unit, and walls and ceiling are all custom insulated Electrical wiring includes 230V, 3-phase as required for the GTM as well as interior fluores-power supply lead. A DOT breakaway battery pack and 12-V trailer end connector are provided. Exterior trailer size is 16 x 7 x 7.8 ft. (4.9 x 1 x 2.4 m), and the fully-under coated chassis is carried on customer double 8.5ft. (2.6m) axles. A 4-leg electric leveling system operaters by remote control to secure the trailer for on-site work. The 2 5/16inch (59 mm) ball hitch has a positive-lock ball coupler. The gross vehicle weight rating (GVWR) of the trailer is 7700 lb.(3500kg). Other trailer features and/or lab equipment options can be added to the GHM-609 trailer package price by special quotation.


Product #ProductNameStandardsPower Requirements
  GHMA-609GHMA-609 GRM Mobile Testing LabASTM D 3387, D 3496, D4123, P233230V, 3 Phase