1 There is no obstruction in the measuring tube, so there is no additional pressure loss, ie no additional head loss for tap water measurement.
2 The flow rate of the fluid in the forward and reverse directions can be measured.
3 Because the measurement results are independent of physical parameters such as pressure, temperature and conductivity of the liquid, the measurement accuracy is high and the work is reliable.
4 Only the pipe and the electrode are in contact with the liquid to be tested. Therefore, as long as the electrode material is properly selected, corrosion resistance and wear resistance can be achieved. It has the characteristics of long service life and low maintenance requirements.
5 The output signal mode is flexible. There are pulses, currents, frequencies, etc.
Intelligent electromagnetic flowmeter use and installation requirements:
1 In the installation process of the intelligent electromagnetic flowmeter, the sensor grounding ring should be grounded reliably, and the grounding resistance should be no more than l OΩ.
2 The upstream pipeline of the intelligent electromagnetic flowmeter has at least 5 pipe lengths of straight pipe sections, and its downstream has at least 3 pipe lengths of straight pipe sections. When conditions permit, the length of the straight pipe before the flowmeter is relaxed is 10 times the pipe diameter.
3 In the upstream pipeline of the flowmeter, install the valve outside the front distance, especially if the butterfly valve or the right angle bend pipe seriously affects the flow characteristics, install a rectifier in the straight pipe of 5 to 10 times of the upstream diameter of the flowmeter to achieve stability. The flow of water is used to improve the accuracy of measurement.
Using laser engraving and cutting, the process is as simple as printing on paper using a computer and printer. You can use a variety of graphics processing software, such as CorelDraw, in Win98/Win2000/WinXP environment. Scanned graphics, vectorized graphics and various CAD files can be easily "printed" into the Engraving Machine. The only difference is that printing applies toner to the paper, while laser engraving shoots the laser onto almost all materials such as wood, acrylic, plastic, metal, and stone.
Laser engraving can be divided into dot matrix engraving and vector cutting according to different engraving methods: dot matrix engraving Dot matrix engraving resembles high definition dot matrix printing. The laser head oscillates left and right, each time engraving a line consisting of a series of points, and then the laser head simultaneously moves up and down to engrave a plurality of lines, and finally constitutes a full-page image or text. The scanned graphics, text and vectorized graphics can all be carved using dot matrix. Vector cutting Unlike dot matrix engraving, vector cutting is performed on the outer contour of the graphic. We usually use this mode to perform penetrating cuts on wood, acrylic, paper, etc., as well as marking on a variety of materials.
Laser Engraving And Cutting Machine
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