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Electromagnetic flowmeter

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Product features
Main technical parameters
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1. Summarize

 

     4800 Series  Electromagnetic Flow meter is fully comprehensive (all intelligence) which is developed in using the advanced technology from domestic and foreign countries and consisted of 4800-type flow sensor and 4800-type smart converter supporting. It is widely used in water (tap water, industrial water, and sewage treatment) metallurgy, chemical, textile, food, paper, power, pharmaceutical and other industrial areas. It applies to measure (is fit for the measurement of ) the volume flow of conductive medium including the acid, alkali, salt solution, slurry, pulp, paper pulp, waste water.

 

 

2. Features 

     1. It is the volume flow of liquid and solid two-phase fluid (It is used to measure the conductivity which is greater (bigger) than 5μs/cm of closed pipeline that and the volume flow of fluid and solid two-phase fluid flow rate. And it is not affected by the temperature of the liquid, viscosity, density, pressure, liquid-solid composition, conductivity of liquid. It has high accuracy and stable working ability.

     2. It can be used to measure the fluid medium of other conductive liquid or liquid-solid two-phase flow after the calibration just ordinary water without any additional calibration.

     3. It doesn’t have unimpeded flow components and no moving parts of the tube, which is no pressure loss mostly .so that it has the high operational reliability.It can be used to measure the fluid medium of other conductive liquid or liquid-solid two-phase flow after the calibration just ordinary water without any additional calibration.

     4. It has good water resistance, vibration resistance, corrosion resistance and wear resistance if wetted parts are made of suitable lining materials and electrode materials.

     5. It doesn’t request the high level to straight pipe. Only the long for front straight pipe is 5D (D-meter diameter) and the rear is 3D.

     6. It is convenient to use and install, with level and lean location but it must keep the full pipe.

 

 

3. Technical parameters

 

    1. Measure accuracy: measurements±0.2%、±0.5%

    2. Medium conductivity>5μs/cm ;Water≥20μs/cm

    3. Flow range:0.3~15m/s

    4. Ambient temperature: -25℃~60℃

    5. Medium temperature: ≤45℃ (polyurethane Rubber)

                   ≤80℃ (soft, neoprene)

                   ≤180℃ (PTFE)

    6. Working pressure:  DN 10~80mm        PN≤25Mpa

              DN 100~200mm      PN≤4.0Mpa

              DN 250~900mm      PN≤1Mpa

              DN 1000~2400mm    PN≤0.6Mpa

 

   7. Flow output signal:

 

    a.Main output

    Current output: 0~10mA (Load resistance 0 ~ 1.5KΩ), 4~20mA (Load resistance0~750Ω)

    Pulse / frequency output: 1~5000Hz

    Communication output: MODBUS、RS-485、RS-232C、HART agreement, communication Interface has prevent from lightning effect.

    b.Control output

    Upper limit alarm open circuit output of the collector (normal: 0, alarm: 1)

    Lower limit alarm open circuit output of the collector (normal: 0, alarm: 1)

    Forward and reverse flow state open circuit output of the collector (forward: 0, reverse: 1)

 

    8.  Supply voltage: AC220V or DC24V

    9. Instrument power: ≤ 20VA

  10. Language patterns: Chinese and English (special order for the other languages) 

  11. Sensor connection: flanged, 、threaded connection, 、clamping connection type 

  12.Selection of materials:

       Flange linking material; carbon steel or stainless steel(1Cr18Ni9Ti)

       Grounding ring material: stainless steel(1Cr18Ni9Ti)

        Lining material:PTFE、neoprene, 、polyurethane rubber、rubber acid

        Electrode material:acid-resistant stainless steel(1Cr18Ni9Ti),molybdenum-containing stainless steel(0Cr18Ni12Mo2Ti)、   Hastelloy(HB), Hastelloy C(HC)Titanium(Ti) 、Tantalum(TA) 、Platinum(PT)

 

   13: Explosion-proof levels: normal  、flameproof(ExdⅡCT4-CT6)、Intrinsically safety(ExiaⅡCT4)

 

   14. Protection class: IP65、IP68

 

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