It’s suitable to test various kinds of rock free swelling rate, the data can be read directly on dial gauge, it’s equipped with permeability board, dial gauge etc. It’s kind of common rock test apparatus in lab.
Dial gauge range: 1mm, readout 0.001mm
Glass tank size: 95mm×95mm×85mm
Permeability board size: Φ50/50×50mm
Sample size: Φ50/50×50mm
Main machine overall size: 200×100×195mm