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Split electromagnetic flowmeter in the installation process precautions

The transducer in the split electromagnetic flowmeter can form a body or separate type with the sensor, the integrated electromagnetic flowmeter is the integrated electromagnetic flowmeter, the split type becomes the split electromagnetic flowmeter, the flowmeter is a two-way measurement system, and the three integrators are installed: the forward total, the reverse total and the difference total; Can be displayed. And has a variety of outputs: current, pulse, digital communication, HART, taking split electromagnetic flowmeter as an example to introduce what problems should be paid attention to when installing:

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1. Install the grounding of the split electromagnetic flowmeter sensor: In order to make the split electromagnetic flowmeter work reliably, improve the measurement accuracy, and not be interfered by the external parasitic potential, the sensor should have a good separate grounding wire, and the grounding resistance is <10Ω. If the pipe connected to the sensor is coated with an insulating layer or non-metallic pipe, the sensor. Requirements for external environment:

a. The flow meter should avoid installation in places where the temperature changes greatly or is exposed to high temperature radiation of the equipment, if it must be installed, there must be heat insulation and ventilation measures.

b. Flowmeter is usually installed indoors, if it must be installed outdoors, should avoid rain, water flooding and sun exposure, must be moisture-proof and sunscreen measures.

c. Flowmeter should avoid installation in an environment containing corrosive gases, must be installed, must have ventilation measures.

d. In order to install, maintain, maintenance, convenience, there needs to be a full installation space around the flow meter.

e. The installation site of the flow meter should avoid strong magnetic fields and strong vibration sources, such as large pipeline vibration, there should be fixed pipe supports on both sides of the flow meter.

2. Installation of separate electromagnetic flowmeter on the bypass pipe requirements: in order to facilitate the maintenance of the flowmeter, you can install a bypass pipe for the flowmeter, in addition, the heavy pollution fluid and flowmeter need to be cleaned and the fluid can not be stopped, you must install a bypass pipe, the purpose is to facilitate the maintenance of the flowmeter.

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    More Electromagnetic Flow Meter

    Electromagnetic flowmeter is a speed meter to measure the volume flow of conductive media. While carrying out on-site monitoring and display, it can output standard current signals for recording, adjustment and control, realizing automatic control of detection, and realizing long-distance transmission of signals. It can be widely used in water, chemical, coal, environmental protection, textile, metallurgy, paper and other industries in the flow measurement of conductive liquid. The structure of the instrument has one type and one type.

    Performance Technical parameter
    Size DN3-DN3000mm
    Nominal Pressure 0.6-1.6Mpa(2.5Mpa/4.0Mpa/6.4Mpa…Max 42Mpa)
    Accuracy +/-0.5%(Standard)     +/-0.3% or +/-0.2%(Optional)
    Liner PTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
    Electrode SUS316L, Hastelloy B, Hastelloy C       Titanium, Tantalum, Platinium-iridium
    Structure Type Integral type, remote type, submersible type, ex-proof type
    Medium Temperature -20~+60 degC(Integral type)
    Remote type ( Neoprene ,Hard Rubber ,Polyurethane ,EPDM) -10~+80degC
    Remote type(PTFE/PFA/FEP) -10~+160degC
    Ambient Temperature -20~+60deg C
    Ambient Humidity 5-100%RH(relative humidity)
    Measuring Range Max 15m/s
    Conductivity >5us/cm
    Protection Class IP65(Standard); IP68(Optional for remote type)
    Process Connection Flange (Standard), Wafer, Thread, Tri-clamp etc (Optional)
    Output Signal 4-20mA/Pulse
    Communication RS485(Standard), HART(Optional),GPRS/GSM (Optional)
    Power Supply AC220V (can be used for AC85-250V)
    DC24V (can be used for DC20-36V)
    DC12V (optional), Battery Powered 3.6V (optional)
    Power Consumption <20W Alarm Upper Limit Alarm / Lower Limit Alarm Self-diagnosis Empty Pipe Alarm, Exciting Alarm Explosion Proof ATEX