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Fixed, Clamp-on Ultrasonic Flow Meter

  • Model:RBFM-F
    • Features
    • Specification
    • Model Selection
    • Applications
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    The RBFM-F Fixed type clamp-on Ultrasonic Flow Meter is a a non-intrusive flow measurement that measures volumetric flow, low cost transit-time ultrasonic flow meter with clamp-on(strap-on) transducers for non-invasive liquid flow rate measurement. 

    The RBFM-F Clamp-on type sensor easily mountable on existing pipe, suited for a wide range of liquids, for example: chemical solution,  corrosive liquids. drinking water, deionized water, cooling water, , sea water, oil, tap water, hot water, industrial water, etc.

    The RBFM-F Fixed type Clamp-on Type Ultrasonic Flow Meter Advantage:

    • Cost-effective and easy installation
    • Transducers for wide pipe sizes ranging from15 to 6000 mm (½" to 240").
    • Wide range velocities of ±0.1~ ± 12m/s (0.03 ~ ± 105 feet/sec.)
    • High accuracy of ± 1% of reading
    • Suitable for a wide variety of liquid types
    • Fast response time - less than 1 second.
    • 2 line LCD display with flow rate, totalizer & signal condition.
    • 0-20mA & 4-20mA outputs, RS-232 communication, user-selectable engineering units, and a data logger function
    • Clamp-on transducers feature integral magnet for installation 
    • Data logger function includes date, totalizer, & signal condition diagnostic

    The RBFM-F-F Fixed(Wall mounted) Clamp-on Type Ultrasonic Flow Meter Specification

     

    Transducer 

    Standard Type   

    S type

    Pipe size

    (15 mm ~ 100 mm) ½" ~ 4"

    SN

    SH

    -30~160℃

    Size(mm)

    SN

    45×25×28

    M Type

    Pipe size

    50 mm ~ 700 mm (2" ~ 28" )

    Temp.

    MN

    -30~160℃

    Size(mm)

    MN:

    64×35×32

    L Type

    Pipe size

    300~ 6000(12" ~ 240" )

    Temp.

    LN

    -30~160℃

    Size(mm)

    LN

    97×54×53

     

    Insertion Type

    Pipe size

    80~6000mm

    Temp.

    RCN

    -40 ~ 160℃

    RCL(Extended)

    -40 ~ 160℃

     

    Temp. Sensor 

     

    Pt100 3 wires 

     

    Pt100 3 wires(only for small pipes)

    Fluid

    Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid

    Flow Direction

    Bi-directional measuring, net flow/heat measuring

    Accuracy

    ± 1% ~ ± 2% of reading (1.5 ~ 100 feet/sec.)

    Repeatability

    ± 0.2% of reading

    Flow rate range

    0.01 ~ ± 12 m/s

    Response Time

    Less than 1 second

    Keypad

    16 Key with tactile action

    Pipe Material

    Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed

    Liner Material

    Tar Epoxy, Rubber, Mortar, Polypropylene, Polystryal, Polystyrenes, Polyester, Ebonite, Polyethylene, Teflon, etc.

    Mounting

    wall mounting, local

    Display

    2 Line LCD with backlight; 5 digits with decimal point for flow rate, 8 digits for Forward, Reverse & Net totalized values

    Output

    Analog

    4-20mA or 0-20mA current output. Impedance 0∼1kW. Accuracy 0.1%.

    Relay output

    Over 20 source signal (no signal, reverse flow etc.)

    Pulse Output

    Frequency signal :1~9999 Hz

    Input

    Three analogue input

    Three-wire PT100 resistor input (optional)

    Other functions

    Automatically record the totaliser data of the last 64 days / 64 months / 5 years;

    The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation

    The instrument working status of the last 64 days

    Communication

    RS-232/RS485

    Alarm

    High/Low with buzzer

    Protection

    Transmitter

    IP 65

    Sensor

    IP67/IP68 (optional)

    Straight pipe section

    In the upstream it must be beyond 10D, in the downstream it must be beyond 5D, in the upstream the length must be beyond 30D from the access of the pump. (D stands for pipe diameter)

    Cable Length

    Twisted Pair Line, standard length of 10m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m

    Power Supply

    Remote Type

    90 ~ 260VAC 50/60 Hz; 9-28VDC

    Compact Type

    9-28VDC

    Power Consumption

    Less than 2W

    Data Storage

    Operation parameters and tantalization data are stored in EEPROM for more than 10 years

    Engineer Unit

    M3, Liter, US gallon, Imperial gallon, Million gallons, Cubic feet, US Barrels, Imperial barrels, Oil barrels

    Time Units

    Second, Minute, Hour, Day

    Protocols

    MODBUS, M-BUS, Fuji extended protocol and other factory protocol

    Humidity

    Main Unit: 85% RH

    Remarks:  With a high strength carrying case suitable for normal and harsh environment


    RBFM-F-F Fixed(Wall mounted) Clamp-on Ultrasonic Flow Model Selection

    RBFM 

    X

     

    X

    X

    DNxx

    X

    X

     

    X

    X

    X

     

     

    Instrument Type

     

     

    F

    Ultrasonic Flowmeter

    H

    Ultrasonic Heat meter

     

    Power supply

    A

    220VAC

    D

    24VDC

    B

    Battery

     

    Flow/Heat meter Type

     

    F

    Fixed type

    H

    Handheld type

    F

    Flanged type

    B

    Battery type

     

      

      

      

    Transducer Type

     

     

    SN

    S type(pipe size: 15-100mm, temp.: -30 to 90℃)

    SH

    S type(pipe size: 15-100mm, temp.: -40 to 160℃)

    SPMN

    S type with mounting frame only for Handheld (pipe size: 15-100mm, temp.: -40 to 90℃)

    SPMH

    S type with mounting frame only for Handheld(pipe size: 15-100mm, temp.: -40 to 160℃)

    MN

    M Type(pipe size: 50-700mm, temp.: -30 to 90℃))

    MH

    M Type(pipe size: 50-700mm, temp.: -40 to 160℃))

    MPMN

    M type with mounting frame only for  Handheld (pipe size: 50-300mm, temp.: -40 to 90℃)

    MPMH

    M type with mounting frame only for Handheld (pipe size: 50-300mm, temp.: -40 to 160℃)

    RB-1

    extended the mounting frame, for pipe:DN300-700mm, temp.: -40 to 90℃

    RBH

    extended the mounting frame, for pipe:DN300-700mm, temp.: -40 to 90℃

    LN

    L type(pipe size: 300-6000mm, temp.: -30 to 90℃)

    LH

    L type(pipe size: 300-6000mm, temp.: -40 to 160℃)

    I

    Insertion Type

    IE

    Extended type

    F

    Flanged type

     

    Pt100

    Temperature sensor

     

     

    DNxx

    Pipe size

      

     

     

    Pipe material

      

     

    C

    Carbon Steel

    SS

    Stainless Steel

    CI

    cast iron

    F

    Fibreglass

    P

    PVC

    C

    cement pipe

    X

    Others,  clarify

     

    X

    Pressure(MPa)

     

     

    Output

     

    N

    NO

    A

    4-20mA

    P

    Pulse

    R

    Relay

    2

    RS232

    4

    RS485

    5

    Datalogger

     

    Input

     

    N

    NO

    1

    1*4-20mA

    2

    2*4-20mA

    3

    3*4-20mA

     

    Cable length

    X

    meter


    RBFM-F-F Fixed(Wall mounted)  Clamp-on Type Ultrasonic Flow Meter Applications:

    • Water distribution flow metering
    • HVAC industry
    • Leak detection
    • Chemical and Pharmaceutical industry
    • Hygienic Food and Drinking flow monitoring
    • Steel industry
    • Power, energry management
    • Protec Chemical and oil industry
    • Irrigation water metering;
    • Checking fixed installation flow meters
    • Survey water works