Yokogawa Vortex Flow Meter Manual

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1. Can the header of the Yokogawa EJA vortex flowmeter be turned?

The header of the Yokogawa EJA vortex flowmeter can usually be turned, and the operation needs to be standardized. The head design of the Yokogawa EJA series vortex flowmeter has taken into account on-site operational requirements, and its mechanical structure allows for angle adjustment. This design is commonly used to solve human-computer interaction problems when the installation position of the body is limited, such as high-level pipeline installation or narrow side space scenarios. two Optimization of the perspective of the core application scenario: When the flowmeter is vertically installed on a high-level old and dry pipeline, the meter head can be rotated 180 ° to make the display screen face downwards; When installed on the side of a horizontal pipeline, it can rotate horizontally by about 90 ° -120 °, ensuring that the operator can clearly read parameters such as instantaneous flow rate and cumulative value on the regular inspection channel. three Standard operating procedure steps decomposition: ① Deactivate the associated banquet hall control system and execute the safety locking procedure ② Loosen the 4 M8 fixing bolts on the bottom flange of the meter head with an Allen wrench ③ Rotate the meter head clockwise along the axis (maximum allowable torque is 5N · m) ④ After visually verifying the display direction of the LCD screen, tighten the bolts gradually in a cross manner. Note that for some models with Hart communication protocol, rotating the angle beyond 270 ° may cause signal wire entanglement. At this time, it is recommended to disconnect the wiring terminals first. four The special model difference is that the EJA110A mecha

2. Recently, the Yokogawa vortex flowmeter used by the unit has been experiencing a situation where there is no flow display of the medium in the pipeline, generally During the use of flow meters, attention should be paid to the adaptability and requirements of installation conditions. Generally, common self regulating vortex street flow meters should be considered from the following aspects before installation, such as the installation direction of the flow meter, the flow direction of the fluid, the configuration of upstream and downstream pipelines, valve position, protective accessories, pulsating flow influence, vibration, electrical interference, and maintenance of the flow meter. ① When wiring on-site pipelines, attention should be paid to the installation direction of flow meters. As the installation direction of flow meters is generally divided into vertical installation and

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