Generally speaking, raised floor is becoming more and more popular in recent office using and data center. So how to choose the right panel loading is the common and important aspect before usage. Here is the CISCA loading test method for reference. We can also do such test in our testing room with machines. First , check the situation of test machine. We need to have the loading test machine with computer that can show the direct loading data in different deflection. Second, make sure the indentor is fine. It must be sure that concentrated loading shall be applied to the structure though a steel indentor 25.4mm square. And the footprint contact area should be 25.4mm*25.4mm. Finally, start the loading test after all structures are stable. Prepare 3 pieces of raised floor bare panels randomly selected, and put the whole panel on the pedestal and stringer under-structure system.