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28
2023
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03
Precautions for level gauge
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The level gauge is a measuring tool with strict packaging requirements. Each level gauge shall be packed in a shockproof box made of foam material, coated with anti rust oil and placed in a plastic bag before packaging. The shockproof box is then packed in a strong cardboard or wooden box with the specified markings painted on the outside. The level meter should be stored in a dry, ventilated, non corrosive gas warehouse. Strictly prevent falling, collision and rain during transportation.
A level gauge is an angle measuring instrument that measures the angle of inclination away from the horizontal plane. The inner surface of the main bubble tube, the key part of the level, has been polished. The outer surface of the bubble tube is engraved with a scale, and the interior is filled with liquid and bubbles. The main bubble tube is equipped with a bubble chamber for adjusting the length of the bubbles. The bubble tube is always horizontal to the bottom surface, but it is likely to change during use. Therefore, adjustment screws are provided.
1、 Before measuring, the measuring surface should be carefully cleaned and wiped dry, and checked for defects such as scratches, rust, and burrs.
2、 Check whether the zero position is correct. If not, adjust the adjustable level as follows: Place the level on a flat plate and read the scale of the bubble tube. At this time, at the same position on the flat plate, reverse the level to the left and right by 180 °, and then read the scale of the bubble tube. If the readings are the same, the bottom surface of the level gauge is parallel to the bubble tube. If the readings are inconsistent, use a spare adjustment needle, insert it into the adjustment hole, and adjust it up and down.
3、 During measurement, the influence of temperature should be avoided as much as possible. The liquid in the level gauge has a significant impact on temperature, so attention should be paid to the impact of factors such as hand heat, direct sunlight, and bad breath on the level gauge.
4、 During use, readings should be taken at the position of the vertical level to reduce the impact of parallax on the measurement results.
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