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+86-021-37680219

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Electromagnetic Flow Meter

  • Model:RBEF
    • Features
    • Specification
    • Model Selection
    • Applications
    • Download
    The RBEF series Electromagnetic Flow meter(DN10 to DN3000) is an idea for water, wastewater and most of conducting liquid General purpose flow measurement. These Magnetic flow meters' features are as follows:

    • No moving parts to wear and tear 
    • Compact and Remote type;
    • A wide range of meter sizes, from DN10 - DN3000 (½” - 120”) to tackle any application
    • Standard 0.5% accuracy, 0.2% accuracy for optional
    • Measure clean liquids as well as mixtures of solids and liquids with conductivity as low as 5 μS/cm;
    • Totalizers for positive, negative, and net flow
    • Short straight-pipe run required, thus, suitable for any desired installation location
    • Plug and play. All parameters are pre-configured in factory
    • No pressure loss
    • Special function: IR Remote, Power off timer, Cumulative hours, Relay Output
    • Rich communication outputs: 4-20mA, Pulse, RS485/232, Optional Modbus, HART, Profibus and GPRS/GSM communication interface
    • Self-diagnosing capability to minimize operational downtime;
    • OEM customer service


    Other question about Electromagnetic Flow meters:

    1.  what's the Electromagnetic flow meter working principle?

           ANS: The measuring principle of the Electromagnetic flow meter (Mag flow meter) is based upon the Faraday's Law of electromagnetic induction.

       2. How to use Magnetic flow meters?

          ANS: Flow sensor is maintenance free, no moving part, easy to use them. 

        3. How to select Electromagnetic flow meters?

          ANS:  provide the key technical information to us or select the model according to Magnetic flow meter model selection. If you have special technical demands, before you order the Magflow meters, please clarify them.

    RBEF Main powered(AC/DC) Electromagnetic Flow meters Specifications

    Sizes

    Flanged (Metric)

    DN15…DN3000

    Flanged (US)

    1/2”…118”

    Wafer Design

    DN15…DN100

    Nominal Pressure

    GB,JIS and DIN Flange

    0.6 MPa, 1.0 MPa, 1.6 MPa, 4.0 MPa

    ANSI Flange

    Class 150, Class 300

    Wafer Design

    1.6 MPa, 4.0 MPa

    For additional pressure requirements, please contact manufacturer

    Accuracy (pulse output)

    Standard

    ±0.5%   (0.6m/sec to 12 m/sec)

    Optional

    ±0.2%   (1.0m/sec to 12 m/sec)

    Measurement Resolution

    ±1mm/sec

    Max Flow Tube Velocity

    SI:

    49 ft/s

    US:

    12 m/s

    Ambient Temperature

    -25…+55°C   /   -13…+131°F

    Relative Humidity

    5%…90%

    Conductivity

    ≥5 μS/cm

    Magnetic Transmitter Mounting Availability

    Compact type

    Sizes:     DN15…DN1000

           1/2”…40”

    Remote type

    Sizes:     DN15…DN3000

           1/2”…118”

    Note 1: Cable between flow tube and remote transmitter is type SMFE100

    Note 2: Remote unit supplied with 10m cable as standard

    Note 3: Max cable length is 200m (650ft)

     

    Material

    SI

    US

    Liner Material Options

    Neoprene (std)

    DN15…DN3000

    1/2”…118”

    PTFE

    DN15…DN1000

    1/2”…40”

    Polyurethane

    DN15…DN300

    1/2”…12”

    PFA

    DN15…DN250

    1/2”…10”

    PFA with optional wire reinforcement

    DN80…DN250

    3”…10”

    Tefzel

    DN15…DN250

    1/2”…10”

    Tefzel with optional wire reinforcement

    DN80…DN250

    3”…10”

     

    ceramic liner and electrodes

    DN15…DN200

    1/2”…8”

    Electrode Material Options

    316L stainless steel (std)

    DN15…DN3000

    1/2”…118”

    Hastelloy – C22

    DN15…DN1000

    1/2”…40”

    Hastelloy – B10

    DN15…DN1000

    1/2”…40”

    Titanium

    DN15…DN250

    1/2”…10”

    Tantalum

    DN15…DN250

    1/2”…10”

    Platinum/iridium Alloy

    DN15…DN250

    1/2”…10”

    316L with tungsten carbide coating

    DN15…DN600

    1/2”…24”

    Grounding Options

    Flange Grounding

    DN15…DN3000

    1/2”…56”

    Grounding Ring

    DN15…DN250

    1/2”…10”

    Electrode Grounding

    DN50…DN3000

    2”…118”

    Inlet protection ring

    DN50…DN300

    2”…12”

     

    Type

    Liner

    Standard

    Optional

    Max Process Temperature Limits

    Compact

    Neoprene

    80°C / 176°F

    120°C / 248°F

    PTFE

    80°C / 176°F

    120°C / 248°F

    Polyurethane

    80°C / 176°F

    -

    PFA

    80°C / 176°F

    120°C / 248°F

    Tefzel

    80°C / 176°F

    -

    Remote

    Neoprene

    80°C / 176°F

    120°C / 248°F

    PTFE

    80°C / 176°F

    120°C / 248°F

    180°C / 356°F

    Polyurethane

    80°C / 176°F

    -

    PFA

    80°C / 176°F

    120°C / 248°F

    Tefzel

    80°C / 176°F

    -

    Environmental Protection Class

    Compact

    IP 65

    IP67

    Remote

    IP 65

    IP 68

    Power Supply Options

    85…265VAC / 45…63Hz, 20VA

    16…36VDC, 16VA

    Display

    2 or 3 line backlit LCD

    Configuration Access

    Front panel keypad

    Hand held infrared remote control (optional)

    Output Signals

    Active analog current output

    Max load resistance    0…1.5kΩ for 0…10mA

                         0…750Ω for 4…20mA

    Accuracy = same as pulse output ±0.1% of rate

    Option: HART Protocol

    Passive analog current output

    Requires 24Vdc external supply to operate

    Accuracy = same as pulse output ±0.1% of rate

    Pulse / frequency and alarm outputs

    Optically isolated open collector output powered either internally or externally

      Int. power:       28VDC with 1.2kΩ pull-up resistor

      Ext. power:       ≤36VDC, max current 250mA

    Digital Communications

    RS485 Modbus

    GPRS (superimposed on current output)

    All interfaces have built in lightning protection

    Electrical isolation

    Isolation between all I/O and input power no less than 500V

    Isolation between all I/O and ground no less than 500V

    Isolation between flow tube and tr

    The RBEF series Electromagnetic Flow Meter Model Selection

    RBEF-

    DN

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

    -

     

     

     

     

    1

     

    2

     

    3

     

    4

     

    5

     

    6

     

    7

     

    8

     

    9

     

    10

     

    11

     

    12

     

    13

     

    14

    15

    16


    1 Nominal Diameter(mm)/ [inches] (1)

    0015 [½”]

    0100 [4”]

    0450 [18”]

    1400 [56”]

    0020 [¾”]

    0125 [5”]

    0500 [20”]

    1600

    0025 [1”]

    0150 [6”]

    0600 [24”]

    1800

    0032 [1¼]

    0200 [8”]

    0700 [28”]

    2000

    0040 [1½]

    0250 [10”]

    0800 [32”]

    2200

    0050 [2”]

    0300 [12”]

    0900 [36”]

    2400

    0065 [2½]

    0350 [14”]

    1000 [40”]

    2600

    0080 [3”]

    0400 [16”]

    1200 [48”]

    3000

     

     

     

     

     

    2 Flange Rating (1)

    02

    0.25 MPa

    1600 … 3000

    06

    0.6 MPa 

    700 … 3000

    10

    1.0 MPa 

    200 … 1400

    16

    1.6 MPa 

    15 … 600

    20

    ANSI Class 150

    15 …1400

    40

    4.0 MPa 

    15 … 150

    50

    ANSI Class 300

    15 … 1400

    AA

    Special

     

     

     

     

     

    3 Electrode Material

    1

    316L Stainless Steel

    3

    Hastelloy C-22

    4

    Hastelloy B-10

    5

    Titanium

    6

    Tantalum

    7

    Platinum / Iridium Alloy

    8

    Tungsten Coated Stainless Steel

    9

    ceramic

     

     

     

    4 Lining Material

    1

    Neoprene (Hard rubber)

    ≤ 3000

    2

    PTFE

    ≤ 1000

    3

    Polyurethane

    ≤ 300

    4

    PFA

    ≤ 250

    5

    Tefzel

    ≤ 250

    6

    PFA with Wire Net

    80 … 250

    7

    Tefzel with Wire Net

    80 … 250 

    8

    Ceramic

    15 … 200

     

     

    The general purpose AC/DC powered Magnetic Flow Meters Typical Applications

    •  Water/wastewater industry, 
    • Chemical, oil and gas
    • Metals and mining,
    • Food and beverage, 
    • Power, 
    • Pulp and paper, 
    • Pharmaceutical