LYSIMETER Russian patent published in 2019 - IPC G01N33/24 G05D9/00 

FIELD: instrument engineering.

SUBSTANCE: invention relates to devices used in agriculture for balance research on reclaimed lands, in particular, for determining infiltration irrigation, thawed and sprinkling water. Lysimeter includes a container with a soil monolith interconnected with another vertically installed container, a tray and water level control elements, wherein the vertically mounted vessel is divided into a measuring container and a drain well by a partition wall, in the lower part of which there is a hole equipped with a device for water discharge in form of a vertical polyethylene pipeline with a movable pipe. Pipeline end is brought into the drain well in the direction of the discharge pipe, and the pipeline with the movable pipe is fixed inside the measuring container. Lysimeter also includes a bellows, a float vessel and a thrust device in the form of a flange with holes, placed inside the measuring container and connected to the cover of this container, wherein the bellows is located on the outer side of the movable pipe and the upper end is tightly attached to the upper part of the movable pipe, and the lower end – to the upper end of the spillway pipeline.

EFFECT: simplified design and operation, as well as high accuracy and reliability of measurements.

1 cl, 1 dwg