I. Overview

Fully automatic pneumatic high pressure consolidation instrument is a combination of mechanical, electronic, sensor automatic detection technology and computer technology. It can measure the compressive performance of soil under different load and side limit conditions, and automatically complete the loading and unloading and data acquisition functions.. This instrument is suitable for soil sample area of 30cm²The height of the soil sample is 20mm and the maximum consolidation pressure is 3200kPa. the consolidation instrument taker can operate independently, that is, no computer support is needed after the test starts, the test process automatically protects the test site and the data already collected when the electricity is interrupted, and the automatic recovery test site after the power supply is restored to continue the test.Each channel consolidation instrument can set different pressure, can start independent experiment alone.

II. Performance characteristics:

• Wireless transmission (optional), data visualization
• Automatic computer control acquisition and processing, automatic completion of loading and unloading and data acquisition function
• The cylinder under small load uses small piston, the volume is small, guarantees the precision; the big load automatically switches the big film
• The inlet proportional valve is used to control the air pressure. When the air pressure control is stable, the controller does not consume extra gas source, and the working time under the same gas source can be extended continuously
• Fast connection of line and pipeline, easy maintenance and easy field use
• Automatic zeroing to balance the weight of containers and soil samples
• Electrical pressure stabilizer valve from loading to stabilization <2 seconds, all containers can be pressurized at the same time, one step in place without grouping
• Containers and main machines: Double structure, stainless steel, frame structure, small size, light weight, convenient packing, easy to use in the field
• Simultaneous control of 2-64 containers
  III. Main technical indicators and configuration

• Control mode and data acquisition: system automatic control plus unloading and data acquisition (including data acquisition recording equipment)
• Loading mode: Fully automatic pneumatic loading
• Consolidation pressure :0-3200 KPA; relative error ≤±1.0%
• Range and accuracy of displacement sensor: measuring range 10mm, resolution :≤2.5um; accuracy ≤0.2% F.S
• Sample sectional area :30cm²and 50 cm²
•  Air pressure control range :0-0.9 MPa, loading time <1 second
• Power :220 V ±10%50 Hz
• Configuration: consolidation grooming 16; air pressure automatic loading and unloading controller 1; displacement sensor 16; data acquisition system 1 set
• Closed air compressor 1(silent air compressor)
• Test rig 1 set (optional)
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