FIELD: machine industry; agriculture.
SUBSTANCE: invention relates to agricultural instrument-making. Field non-contact profilograph comprises massive base on which rod is installed. In the upper part of the rod there fixed is the level, an angular sensor and by means of the bearing a movable arm with a counterweight on one side and a laser position sensor on the other side, which is installed by means of a screw mechanism with a carriage, is fixed perpendicularly. To move the carriage and rotate the movable arm in the lower part of the rod, a motor is installed, which transmits the torque through the cylindrical and conical gears. An electronic signal processing unit is also installed in the upper part of the rod, which is connected to the sensors by cables and using a USB cable to the laptop.
EFFECT: higher quality of measuring parameters of the day surface of soil throughout the experimental site in field conditions.
1 cl, 1 dwg
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