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Description :

　　This product is not affected by the temperature, viscosity, density, or conductivity of the measured medium during the measurement process. Therefore, after being calibrated with water, the flowmeter can be used to measure the flow rate of other conductive liquids.

　　1、 Working principle

　　The working principle of electromagnetic flowmeter is based on Faraday's law of electromagnetic induction. When a conductor moves in a magnetic field, an induced electromotive force is generated at both ends of the conductor perpendicular to the direction of the magnetic field and the direction of motion. The magnitude of electromotive force is directly proportional to the speed of conductor motion and the magnetic induction intensity of the magnetic field.

　　2、 Technical parameters

　　Nominal diameter (mm): Pipeline PTFE lining: DN10~DN600 Pipeline rubber lining: DN40~DN1200

　　Flow direction: positive, negative, net flow

　　Range ratio: 150:1

　　Repetitive error: ± 0.1% of the measured value

　　Accuracy level: Pipeline type: 0.5 level, 1.0 level

　　Temperature of the tested medium: ordinary rubber lining: -20 to+60 ℃

　　High temperature rubber lining: -20 to+90 ℃

　　PTFE lining: -30 to+100 ℃

　　High temperature PTFE lining: -20 to+180 ℃

　　Rated working pressure: (high pressure can be customized) DN6-DN80: ≤ 1.6MPa DN100-DN250: ≤ 1.0MPa

　　DN300－DN1200：≤0.6MPa

　　Conductivity range: The conductivity of the measured fluid is ≥ 5 μ s/cm

　　Current output, load resistance: 0-10mA: 0-1.5k Ω 4-20mA: 0-750k Ω

　　Digital frequency output: The upper limit of the output frequency can be set within 1-5000Hz with a transistor collector open circuit bidirectional output with photoelectric isolation.

　　Power supply: AC220V or DC24V

　　3. Installation

　　1. Try to avoid ferromagnetic objects, high radio frequency, strong vibration interference sources, and equipment with strong electromagnetic fields (such as high-power motors, large transformers, etc.) to avoid magnetic fields affecting the working magnetic field and flow signal of the sensor.

　　2. It should be installed in a dry and ventilated place as much as possible, and should not be installed in damp or water prone areas.

　　3. It is advisable to avoid direct sunlight and rain as much as possible, and the ambient temperature should be between -20 and 60 ℃ with a relative humidity of less than 95%.

　　4. Choose a place that is easy to maintain and has convenient activities.

　　5. The flowmeter should be installed at the rear end of the water pump and must not be installed on the suction side; The valve should be installed on the downstream side of the flow.

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