There are many types of Cologne electromagnetic flowmeters, and the models are also diverse, so how to choose a Cologne brand flowmeter that suits you is crucial.
There are many types of Cologne electromagnetic flowmeters, and the models are also diverse, so how to choose a Cologne brand flowmeter that suits you is crucial. The reference given by Cologne Automation is as follows.
First of all, electromagnetic flowmeter is a flowmeter that measures flow based on Faraday’s law of electromagnetic induction. The prerequisite for selecting an electromagnetic flowmeter is that the medium must be conductive. Secondly, the selection is based on the following points:
1. Decide what caliber to use based on the common flow rate2. Select the appropriate wetted material according to the medium and temperature, such as electrode material and lining material, mainly corrosion resistance, wear resistance, etc.
3. Select the flange with the appropriate pressure level according to the pressure
4. Select according to whether the power supply is 220VAC or 24VDC and signal output
5. According to the installation The working conditions are used to determine the explosion-proof and protection levels. The installation forms include split type and integrated type
6. In addition, the appropriate shell material must be selected according to the on-site environment, whether it is corrosive, etc.
7. Measurement accuracy requirements and reliability of the measurement method, that is, the device will not cause accidents due to mechanical strength or electrical circuit failures during operation. Measuring instruments must not affect the safety of the production system regardless of normal production or failure. 8. On the basis of ensuring the safe operation of the instruments, strive to improve the accuracy and energy saving of the instruments. For this reason, it is not only necessary to select a display instrument that meets the accuracy requirements, but also to select a reasonable measurement method based on the characteristics of the medium being measured.
The large models of Cologne electromagnetic flowmeters include OPTIFLUX2100/OPTIFLUX4100/OPTIFLUX2300/OPTIFLUX4300/IFM4080K/K450, etc.
The linings of electromagnetic flowmeters include: rubber lining, four Fluorine lining, PFA lining, polyurethane lining, etc.
The electrodes include: stainless steel electrodes, Hastelloy electrodes, titanium electrodes, tantalum electrodes, platinum electrodes, etc.
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