FIELD: mining engineering, particularly building of different engineering structures and for investigating quantitative characteristics of processes associated with underground water movement in rock. ^ SUBSTANCE: device comprises body arranged on frame, ring with rock located on perforated disc installed in lower body part, detachable perforated die installed on ring and connected by detachable shaft with detachable lever. Detachable lever is secured to body. Device also has concentration recorder arranged in upper body part and scale with movable gauging rods for setting pressure value. Rods are arranged on frame. Device comprises post, vessel located on post for performing vertical movement thereof, chamber located on frame and connected by flexible pipe with upper vessel part. Vessel in joined by flexible pipes with lower body part. ^ EFFECT: increased efficiency, widened operational capabilities. ^ 2 cl, 1 dwg
