1. Application and Functions The digital display compression testing machine is mainly used for compressive strength test of concrete, cement, brick, stone and other building materials. This machine adopts chrome plated 4 column structure, uses hydraulic oil for loading, manual hand wheel to adjust the testing space, real time display loading rate kN/s, peak valve kN on the LED meter, the mini-printer prints test results. It adopts 46# anti-wear hydraulic oil. 2. Main technical parameters 1. Maximum load: 2000kN; 2. Measuring range of testing force: 4%-100%FS; 3. Accuracy of testing force: ±1%; 4. Upper pressure plate size:φ225mm;5. Lower pressure plate size: φ300mm 6. Distance between upper plate and lower plate: 320mm; 7. Maximum piston stroke: 30 mm;8. Working hydraulic pressure: 40MPa 9. Power supply: 380V±10%, 50Hz, 0.75kW 10. Overall dimension (L×W×H) (mm): 800×500×1200; 11. Weight: 750kg