How about a GDS consolidation meter, Geocomp consolidation meter which?

These two brands of consolidation instrument are good.

GDS is a British company, specializing in the production of geotechnical experimental instruments, product line is very rich, the instrument is very advanced, good performance, their unsaturated soil triaxial instrument, static triaxial, motor-controlled moving triaxial, hollow cylinder, *** vibration column, bending elements, unsaturated soil straight shear instrument and a series of instruments in the domestic application of the civil engineering colleges and scientific research institutes is very common, it can be said that the basic now Domestic research geotechnical schools or research institutes should have the use of GDS instruments. GDS geotechnical instruments have a very good reputation.

GDS's GDSCTS Advanced Consolidation Test System is capable of running conventional tests such as hydraulic gradient-controlled or cyclic loading automated test rates, and can simulate a variety of drainage conditions for the specimen, all of which are controlled by a computer. In fact, virtually any user-defined test can be performed using the GDSLAB software, and the GDS has a range of pressure controllers and consolidation pressure chambers to choose from.

Parameters are as follows:

● Accuracy of pressure measurement = <0.1% of full scale (ADVCTS) or <0.15% of full scale (STDCTS)

● Resolution of pressure measurement = 0.5kPa (ADVCTS) or 1kPa (STDCTS).

● Accuracy of Volume Measurement = <0.1% of measured value (ADVCTS) or <0.25% of measured value (STDCTS)

● Resolution of Volume Measurement = 0.5mm3 (ADVCTS) or 1mm3 (STDCTS)

● Sensor Resolution = 16bit

● Computerized automatic test control - not just data acquisition.

● MS Windows software (GDSLAB) for test control and post-processing.

● Fully scalable software that allows multiple test sites or the addition of hardware at any time.

Geocomp is a U.S. company and a veteran of geotechnical instrumentation. Their instruments are not as high-end as the GDS, and their product line is relatively narrow, but the instruments are compact and practical, making them ideal for some colleges or research institutes. Geocomp has "Constant Rate Consolidation Test System", "Incremental Consolidation Test System", "Consolidation and Expansion Test System", "Rowe-type Consolidation Instrument" and so on.

These two brands are exclusively represented by Omeida, you can consult them for details.