LYSIMETER Russian patent published in 2025 - IPC G01N33/24 

FIELD: agriculture.

SUBSTANCE: invention relates to devices used in agriculture during balance studies on reclamation lands. Disclosed is a lysimeter comprising a container with monolithic soil communicating with a container divided by a partition into a measuring container and a drainage well, a tray and control elements, a cover with a graduated stand in the form of a scale, wherein the stand in the form of a scale consists of coloured luminous reporting and dividing strips. Container with monolithic soil is additionally provided with coating of side inner walls along the height of the container of rectangular cross section and its bottom with at least two layers of water-permeable cloth made of geotextile material in the form of "Spunbond", one end of which is bent upwards along the height of side walls of the container with monolithic soil, and the ends of which are tightly fixed from above by fasteners in the form of a fixed frame from a wooden frame, wherein the vertical measuring container, hydraulically connected to the soil monolith tray, is equipped with a movable float placed in the housing, the cavity of which in the lower part is connected to the cavity of the measuring container filled with water from the soil monolith, wherein housing and movable float arranged in it are made spherical, movable float is made of plastic, from above it has a plastic hollow round branch pipe with a conical needle, and from below it has a conical needle entering the cavity of the outlet locking socket of the housing, wherein the hollow round nozzle conical needle upper end is equipped with an arrow indicator opposite the calibrated post in the form of a scale, besides, the housing inside the vertical measuring container is detachable and connected to the cover, and the movable float with conical needles with a round vertical branch pipe has the possibility of fixed movement inside the cavity of the housing of the ball-shaped device.

EFFECT: reduced labour intensity of control, as well as simplified design and wider field of application.

4 cl, 4 dwg, 2 ex