Combined with the inland products, importing servo valve and motor driving technology、measure-control technology、microcomputer control and processing technology development to proceed water/gas/solid multiphase medium seepage testing under temperature and multi-physics coupling of coal petrography.
technical spec：
Model DMPR -1000 DMPR -2000 DMPR -3000 DMPR -5000
Testing Force Max axial force 1000kN 2000kN 3000kN 5000kN
Accuracy ±0.5%
Force grade shift automatically
Force accuracy Indicating value: ±0.5%
mainframe Max piston displacement 100mm
Axial Displacement accuracy Indicating value: ±0.5%
Control mode Force and displacement
Confining pressure Range 0-30MPa
Accuracy ±0.5%
Gas flux(exit) 0-5L/min
measurement accuracy ±1%
Pressure range 0-20MPa
gas pressure acccracy ±0.5%
Electromagnetic rate microwave rate
High-precision adjustment of microwave’s rate、intensity and action time without electromagnetic radiation leakage.
specimens TEMP Range -200℃，fluctuation：±1℃
Size Φ100×200mm
Vacuum degree 60×10-2 Pa
Automatically collecting of normal force、deformation、gas pressure、TEMP and flux
etc.
Autonomous channel of water route and gas route
Seepage control constant voltage
Adsorption-percolation system Max pressure 20MPa
TEMP control system High-precision of steady TEMP control
