Using split type electromagnetic flowmeter several matters that should be paid attention to

Several matters that should be paid attention to use split type electromagnetic flowmeter split type electromagnetic flowmeter is mainly used in petroleum, chemical, food, paper and other industries, in order to ensure the accuracy of meter measuring, several items need to be aware of when to use, then let's have a chat. Use note: 1, split type induction of electromagnetic flowmeter signal voltage is very small, so there must be a good grounding. General flow meter is equipped with grounding loop is to establish fluid by liquid contact, but also protect the lining. Makes the reference potential of sensor, converter/amplifier benchmark potentials are the same as the measured fluid potential, is also the same as the ground potential, reduce the noise influence on measurement results. 2, the connection between sensor and converter, must use shielded cable, shall not use other cables instead. And the signal cable must be in single earthing protection of the steel pipe, and other power strictly separated. In addition, the signal cable and excitation cable as short as possible. 3, before and after installing electromagnetic flow timing requirements must have a straight pipe, the installation of straight pipe before and after advice straight pipe before the minimum requirement is not less than 10 d, straight after the period of not less than 5 d, the measuring tube to ensure into the fluid flow of full development. 4, installation of time as far as possible to avoid strong vibration environment and strong corrosive gas, lest cause electrode and pipeline insulation damage. 5, for ease of maintenance of electromagnetic flowmeter, cut-off valve should be installed at before and after the meter or the bypass pipe for instrument installation disassembly. Above is split type electromagnetic flowmeter using the matters needing attention, hope everybody can pay attention to, only the correct operation, to ensure the accuracy of measurement, ensure the service life of the flow at the same time. Kaifeng superfamily real Chinese instrument co. , LTD. Is specialized in flow instrumentation development, production and sales. Main: electromagnetic flowmeter, open channel flow meter, water meter, rotor flowmeter, electromagnetic vortex flowmeter, turbine flowmeter, etc.

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