Split type electromagnetic flowmeter is a type of electromagnetic flowmeter, and its measurement principle is based on Faraday's law of electromagnetic induction. The split type electromagnetic flowmeter consists of a sensor and a converter. The sensor is installed on the measuring pipeline, while the converter is installed at a certain distance (usually within 30 meters or 100 meters) from the sensor. The two are connected by a shielded signal cable. This design allows the converter to be kept away from harsh on-site environments, facilitating the inspection, adjustment, and parameter setting of electronic components. It can be used to measure the volumetric flow rate of conductive liquids and slurries in closed pipelines, such as water, sewage, mud, pulp, various acids, alkalis, salt solutions, food slurries, etc. Widely used in industries such as petroleum, chemical, metallurgical, textile, food, pharmaceutical, papermaking, as well as in fields such as environmental protection, municipal management, and water conservancy construction.
1. High measurement stability:
① The use of programmable low-frequency rectangular wave excitation improves the stability of flow measurement and reduces power loss.
② All digital processing, strong anti-interference ability, reliable measurement, high accuracy, and large flow measurement range.
2. Strong applicability:
① Suitable for volumetric flow measurement of conductive fluids with conductivity greater than 5 μ s/cm.
② There are no active or obstructed components inside the measuring tube, resulting in minimal pressure loss.
3. Easy to operate:
① Adopting a 16 bit embedded microprocessor, it has fast computing speed and high accuracy.
② Featuring a full Chinese character menu for easy operation
③ Easy to operate, easy to learn and understand.
④ High definition backlit LCD display, capable of displaying accumulated flow, instantaneous flow, percentage, alarm information, etc.
4. Multifunctionality:
① It has bidirectional flow measurement and bidirectional total accumulation functions, and bidirectional output functions for current and frequency.
② There are three integrators inside, which can display forward cumulative quantity, reverse cumulative quantity, and differential cumulative quantity respectively.
③ Equipped with RS485 or RS232 digital communication signal output.
④ It has conductivity measurement function and can distinguish whether the sensor is empty.
⑥ It has self checking and self diagnostic functions.
5. Corrosion and Wear Resistance:
① Liners and electrodes made of different materials have good anti-corrosion properties.
② Only the inner lining and electrode of the sensor measuring tube are in contact with the measured medium. As long as the electrode and inner lining materials are selected reasonably, they can be corrosion-resistant and wear-resistant.
6. Other characteristics:
① The constant current excitation current has a wide range and can be used in conjunction with different companies and types of electromagnetic flow sensors.
② Using SMD devices and surface mount technology, the circuit has high reliability.
③ The internal design of the instrument includes a non power failure clock that can record multiple power failure times.
④ Automatic range switching function ensures accurate measurement within the full flow range.
⑤ Over range alarm function, when the flow rate exceeds the upper and lower limit values set by the user, the flow meter automatically alarms and displays the content intuitively, providing a switch signal.
In summary, the split type electromagnetic flowmeter has multiple advantages and characteristics, which can meet the flow measurement needs of different industries and fields. When selecting and using, reasonable selection and installation should be made according to specific application scenarios and requirements.
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