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1. Introduction to Electromagnetic Flow Meter Converter
Electromagnetic flow meter is an electromagnetic induction flow meter that can be divided into two categories: on-site display type (integrated type) and remote display type (split type). It is highly intelligent, high-precision, can measure forward and reverse flow, display instantaneous flow rate, cumulative flow rate, flow rate percentage, conductivity ratio, and range ratio up to 1:150. It has a long transmission distance (split type 100m), full dot matrix Chinese display and surplus, and the range can be set freely. The sensor and converter can exchange directions freely. The air tube excites the fluid constant flow upper and lower limit alarms. It is easy to use, has less maintenance and rolling protection, long service life, and low power consumption (10V). It can output standard current and Frequency pulse and RS-485 communication.
2. Instrument wiring of plug-in electromagnetic flowmeter
Connection method of integrated intelligent electromagnetic flowmeter. The converter core of the integrated electromagnetic flowmeter is installed in an aluminum alloy box coated with epoxy paint on the surface, and the converter can be fixed on the sensor.
. All circuit boards of the converter adopt surface mount technology, and each board is equipped with electrostatic protection. Therefore, if the user does not have on-site maintenance capabilities, it is not allowed for the user to disassemble the converter on site. Wiring diagram of integrated intelligent electromagnetic flowmeter Wiring instructions for split state intelligent electromagnetic flowmeter(1) The connection cable from the sensor to the converter adopts the special shiel
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(2) The power supply for the integrated intelligent mining electromagnetic flowmeter and split type converter is configured according to user needs. If the user needs to use a DC24V power supply, the terminal next to the 220V power supply wiring in the diagram will be changed to DC24V at the factory.
.(3) If the user needs frequency output, alarm output, or connection to a microcomputer when placing an order, they can connect them to the corresponding terminals indicated in the diagram.
(4) The housing of the sensor must be well grounded.
3. Working principle of CKD switch
CKD flow switch and electromagnetic flow converter combine to form an integrated or separated intelligent electromagnetic flowmeter, which users can choose according to their needs in Queling.
. This device is suitable for measuring corrosive liquids such as acids, alkalis, salts, as well as mud and sewage containing solid impurities, and even highly viscous media. It has been widely used in various industries such as chemical engineering, metallurgy, papermaking, pharmaceuticals, textiles, brewing, food, environmental protection, chemical fibers, and water conservancy. The design of CKD flow switch is based on Faradays law of electromagnetic induction. Its working principle is to install a pair of detection electrodes at a position perpendicular to the axis of the measuring tube and the magnetic field lines. When a conductive liquid flows along the measuring tube in a direction perpendicular to the magnetic field lines in an alternating magnetic field
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