XL-RYSThermal Extension Tester Test standards:GB/T2951-1997 and other need meet GB5013-1997, This device is used with XL-016C aging test chamber. Technical parameters: 1. Test station:2 groups(or 3 groups) 2. Load:1,2,5,10,20,50g(each 2) 3. Stainless steel ruler:300MM4. material:stainless steel 5. weight:about 2KG