Electromagnetic flowmeter instruction ( Directions for use by rounding)

Abstract: the electromagnetic flowmeter instruction ( Directions for use by rounding) Information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter using manual ( Graphic, a total of 12 sections) Directory: one, the electromagnetic flowmeter product characteristics, purpose and scope of application and working principle of the electromagnetic flowmeter, electromagnetic flowmeter product type and composition of the four, electromagnetic flowmeter product technical performance indicators. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flowmeter instruction ( Directions for use by rounding) The article details. Electromagnetic flowmeter using manual ( Graphic, a total of 12 sections) Directory ( Length is longer, click the direct) : a, electromagnetic flowmeter product characteristics, purpose and scope of application and working principle of the electromagnetic flowmeter, electromagnetic flowmeter product type and composition of the four, electromagnetic flowmeter product technical performance index of five, the electromagnetic flowmeter product appearance size and installation size six, seven, electromagnetic flowmeter converter menu structure and the parameter is set to install here is eight, nine electrical wiring, and fault self-diagnosis information processing, supply of complete sets of the eleven, transportation, storage, twelve run a electromagnetic flowmeter with pictures and specifications, can help you know more accurate electromagnetic flowmeter installation details such as maintenance, avoid stepping on the pit, the following is instruction details. Click into the electromagnetic flowmeter selection product page. A, product characteristics, purpose and scope of 1. 1 characteristics of LD series electromagnetic flowmeter, has the following characteristics: low from the fluid density, viscosity, temperature, pressure and electric rate change, the influence of linear measurement principle can achieve high precision measurement; Low measuring tube shine flow, small pressure loss, low straight pipe; DN6 - low nominal size DN2000 wide coverage, there are so many choices lining and electrode, can satisfy the requirement of measuring a variety of conductive fluid; Low low-frequency rectangular wave excitation converter adopts programmable frequency, improve the stability of the flow measurement, small power loss; Low converter adopts 16-bit embedded microcontroller processor, digital processing, a fast calculation speed, strong anti-jamming capability, reliable measurement, high precision, the flow measurement range can be up to 1500:1; High definition backlit LCD display, full Chinese menu operation, easy to use, simple operation, easy to understand; Low with RS485 or RS232O digital communication signal output; Low conductivity measurement function, can distinguish whether the atc sensor, has self-check and self-diagnosis function; Low in SMD components and surface type ( SMT) Technology, high reliability circuit; * can be used for the corresponding explosion-proof occasions. 1. 2 main use KDLD series electromagnetic flow meter, can be used to measure the volume of a conductive fluid in a closed pipe flow. Widely used in petroleum chemical industry, steel, metallurgy, water supply and drainage, irrigation, water treatment, environmental protection sewage measurement, paper making, medicine, food and other industrial and agricultural production process in the process of flow measurement and control. 1. Ambient temperature using environments: sensors - 25 ℃ ~ + 60 ℃ converter 10 ℃ ~ + 60 ℃ relative humidity: 5% 4 working conditions the highest temperature fluid: a body of 70 ℃ separated type: synthetic rubber lining ptfe lining is 150 ℃, 80 ℃ 70 ℃ polyurethane rubber lining fluid conductivity: & ge; 5 us/cm 2, the working principle of 2. 1 mathematical physics model of the working principle of electromagnetic flowmeter based on Faraday electromagnetic induction law. When a conductor in magnetic field movement, with the magnetic field direction, movement direction perpendicular direction at both ends of a conductor, produce inductive electromotive force. Electromotive force and the size of the conductor movement speed and the magnetic induction intensity is proportional to the size of the magnetic field. Such as the following figure 1, when conducting fluid to average flow velocity V ( m/s） Through the use of a root contains a pair of measuring electrode diameter D ( m） The insulation of the conduit flow, the pipe in a uniform magnetic induction intensity for B ( T） Magnetic field, then on a pair of electrodes can produce inductive electromotive force E ( V） , its direction perpendicular to the direction of the magnetic field and fluid. Faraday's law of electromagnetic induction is: E = B· D· V formula ( 1) 2. Electromagnetic flow converter 2 converter circuit structure on the one hand to provide electromagnetic flow sensor excitation coil stability of exciting current, in order to achieve B is a constant, at the same time to enlarge sensor induction electromotive force is converted into a standard current signal or frequency signal, to facilitate traffic, according to the control and regulation. Converter circuit structure as shown in figure 2. Three, product type, and 3. 1 product of electromagnetic flowmeter by the electromagnetic flow of converter and electromagnetic flow sensor of two parts, the separation model was also need a dedicated double shielded cable connection of the converter and sensors. 3. 2 products pattern KDLD series electromagnetic flowmeter is divided into a shape and separation type two kinds of structure forms. Can be used for regulation of explosion-proof. There are 7 different materials of electrode sensor and the lining of four different materials to choose from.

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