... shear,tear, compression and many other types of tests. According to GB, ASTM, ISO standards. Automatically calculated the maximum test load ... RT5K,RT5K-2)Accuracy level: grade 0.5Deformation measurement accuracy: within ±0.5% of read valueEffective measurement range: 0.4%~100% ... 2 (with basis box)140Kg for RT5K (with basis box)Power: AC220~230V,50/60Hz,3A. With power-off protection device.Universal ...