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2022-02-15

SweeperIt consists of a base, a single telephoto lens and a data processing system. On the basis of the automatic level, a spectroscope and a detector (CCD) are added to the optical path of the telescope. It is an opto-mechatronics high-tech product composed of a stripe coding ruler and an image processing electronic system.

SweeperThe use:

1) Instrument installation: The installation of the sweeper is the same as that of the optical sweeper.

2) Leveling: Turn the anchor screw to center the bubble of the round leveling box.

3) Enter chainage parameter: Enter chainage elevation.

4) Observation: Aim the telescope at the stripe level and press the measurement button on the instrument.

5) Read: Read the height difference and elevation directly from the display window. In addition, other data such as distance can also be obtained.

UseSweeperNote:

1) Don't point the lens at the sun. Aim the instrument directly at the sun can damage the observer's eyes and damage the electronic components inside the instrument. When the sun is low or direct sunlight is on the objective lens, an umbrella should be used for shielding.

2) The surface of the stripe code ruler shall be kept clean and shall not be scratched. The instrument converts the black and white stripes on the ruler into a telecommunications signal. If there is dust, dirt or scratches on the surface of the ruler, it will affect the accuracy of the planned quantity or cannot be measured at all.

SweeperIt is an instrument used to establish a horizontal field of view and measure the height difference between two points on the ground. According to the measurement principle of the sweeper, the height difference between the points on the ground is measured. The main components are telescope, horizontal tube (or compensator), vertical shaft, base and anchor screws. According to the precision is divided into fine and ordinary level. The level gauge is a precision optical instrument. Correct and reasonable use and storage have a great impact on the accuracy and service life of the instrument; avoid direct sunlight and disassemble the instrument without permission; each fine adjustment should be carried out quietly, and do not use excessive force. Do not touch the lens and optical film with your hands; if the instrument is defective, it should be repaired by a person familiar with the structure of the instrument or the maintenance department; after each use, the instrument should be wiped clean and kept dry. The operation of measuring the elevation of a point above ground is called elevation measurement. Elevation measurement is one of the basic operations of measurement.

According to the different sweeper and measurement methods, elevation measurement can be divided into sweep measurement, trigonometric leveling measurement, GPS elevation measurement and air pressure elevation measurement. Sweeping measurement is a high-precision elevation measurement method. It is widely used in elevation control survey, engineering survey and construction survey in our country. The principle of sweeping measurement is to use the horizontal field of view provided by the sweeper to read the readings on the level ruler standing on two points, measure the height difference between the two points, and then calculate the elevation of the point to be fixed according to the known point elevation.

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