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Flow meter transmitter

『Flow meter transmitter』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)

Which is a good flowmeter?

2. Installation of transmitters for sewage pipeline flow meters

The installation points for transmitters for sewage pipeline flow meters are as follows: straight pipe section requirements: When installing the transmitter, there must be a certain length of straight pipe section upstream, generally not less than 5D (D is the diameter of the pipeline). If there is an elbow in front of the transmitter, the length of the straight pipe section should not be less than 10D; the downstream straight pipe section should be (2-3) D or have no specific requirements. Installation direction: The installation direction of the transmitter can be horizontal, vertical, or inclined. But for solid-liquid two-phase fluids, it is best to install them vertically and flow from bottom to top. This can avoid the disadvantages of severe local wear on the lower half of the lining during horizontal installation, as well as solid phase precipitation at low flow rates. When installed horizontally, the axis of the electrode should be parallel to the horizon to prevent the electrode from being covered by mud or bubbles that may affect the output signal. Grounding requirement: In order to improve measurement accuracy and eliminate the influence of external interference, the transmitter must be separately grounded. It is absolutely not allowed to be grounded together with other instruments or electrical equipment, or directly connected to process pipelines. The grounding point should be selected near the transmitter, and the grounding wire should be connected to the ground with a copper wire of not less than 4mm2, buried at a depth of about 1 meter. This ensures that the leakage current in the grounding wire d

Flow meter transmitter
oes not interfere with the measurement signal, ensuring the normal operation of the instrument. Connecting cables: Generally, converters only need to be matched according to the flow transmitter. The shorter the length of the connecting cable between the transmitter and the converter, the better to reduce interference signals. The distance between them depends on the conductivity of the measured medium and the type of signal cable. The signal cable attached to the instrument (or specified model) by the manufacturer should be used. To avoid signal interference, signal cables must be separately threaded in grounding protection steel pipes, and signal cables and power lines cannot be installed in the same steel pipe. Power requirement: The transmitter and converter must use the same power supply, otherwise the detection signal and feedback signal will differ by 120 °, causing the instrument to malfunction. Precautions for aging: During the noisy dismantling and installation process, ensure that all connections are well sealed to prevent liquid leakage. Before installation, the model, specifications, and performance of the transmitter should be checked to ensure they meet the design requirements. During installation, mechanical damage or vibration to the transmitter should be avoided. After installation, debugging and verification should be carried out to ensure that the measurement accuracy and stability meet the requirements. In summary, the installation of sewage pipeline flow meter transmitters needs to follow certain specifications and key points to ensure measurement accuracy and the normal operation of the instrument. During the installation process, it is necessary to strictly follow the instructions and relevant sta

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