Tokyo Keiki UFW-100 Clamp on Ultrasonic Flow meter


Tokyo Keik UFW-100 stationary clamp on ultrasoniTokyo Keiki UFWc flow meter boasts a smaller, more compact footprint & size and lower power consumption in a material-saving, RoHS compliant design.

Tokyo Keiki UFW Main Functions

  • Measuring Accuracy : +/- 1.0~2.5% of reading
  • 4-20mA Output (1ch)
  • Contact Output (1ch)
  • Data Logging (1min. intervals; up to 1month)
  • RS-485 Modbus Output (1ch) (Option)
  • Analog Current Input (1ch) (Option)
  • Smaller, Compact Footprint & Size*1
  • Lower Power Consumption *2
  • RoHS Compliant

Advantage of “Clamp-On” Flow Meter

  • No Pressure Loss (pump power savings)
  • No Wetted Parts (no contact with liquid)
  • No Moving Parts (no wear)
  • No Need to Stop the Process (easy installation)

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  • Transit times of ultrasonic pulses transmitted in a liquid vary with the flow velocity of the liquid and ultrasonic flowmeters utilize this characteristic to measure flow.
  • Regardless of whether the liquid is electrically conductive or non-conductive, ultrasonic flowmeters can measure various types of liquids such as potable water, river water, industrial water, agricultural water, wastewater, seawater, and pure water.
  • Transducers are clamped on to the outside of the pipe so it is not necessary to cut pipes or stop flow for installation and there is no pressure loss.
  • Flow measurements are possible over a wide range, -30m/s to +30m/s.
  • Economical measurements of flow from 25mm to 600mm can be obtained.
  • Easy Operation through PC configuration software. Through a graphical user interface, it is very simple and useful for everyone to input all data.

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  • Water Distribution
  • Factory Utilities
  • HVAC Systems
  • Process Monitoring
  • Replacement for old in-line meters
  • Desalination Processes

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  • Graphical PC configuration ‘’EZ-wizard’’
    • Through EZ-wizard, all required parameters can be input. The mounting position of transducers will be calculated by input parameters automatically.
  • Emergency Redundancy System (Automatic Logging System)
    • 1 min interval for 1-month data will be logged internally and automatically with any events data. Totally it will be over 64000 points (more than 1 month with 1 min interval).
  • Echo-wave monitor
    • Receiving echo will be indicated on the PC configuration software. This feature helps to identify the ideal mounting positions of transducers.
  • The variety I/O port
    • Analog output (Std.), Totalizing output (Std.), Digital port (Std.), and Digital port / RS-485 MODBUS (Option) are available.
  • Extra A-IN available
    • By using an optional card, 1 port for passive analog input (option) can be available. This info will be stored internally logged data automatically.
    • Site Check mode
      Any Error will indicate on the LCD without PC or any software.
  • EZ-Translation
    • Any languages are configurable on the PC locally.

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  • Measurement
    • Method Ultrasonic pulse transit time difference method
    • Diameter Range DN 25mm – 600mm
    • Accuracy Pipe Diameter Velocity ≧ 1m/s Velocity < 1m/s
      • DN 25mm – 40mm (*1) ±2.5% R.D. ±0.025m/s
      • DN 50mm – 90mm ±2.0% R.D. ±0.020m/s
      • DN 100mm – 250mm ±1.5% R.D. ±0.015m/s
      • DN 300mm – 600mm ±1.0% R.D. ±0.010m/s
  • Output
    • Analog output 1port(Std.)       4-20mA  Allowable load resistance 600Ω Max.
    • Relay output 1port(Std.)       for Totalizing, Warning or Directional output
    • Digital output
      • 1port(Std.)       USB connection / Inter-communication mode
      • 1port(Option)   RS-485 / MODBUS-RTU output
  • Input Analog Input 1port(Option)   4-20 mA / Passive input
  • Main unit Protection Degree IEC60529 IP65
  • Transducer
    • Applicable Temperature ‐20 ~ 60℃
    • Protection Degree IEC60529 IP65(Std.) / IEC60529 IP67(Option)
    • Cable Length 30m Max. (Applicable cable model : RG-223U)
  • Data Logging
    • Over 68,000 lines(exp. more than 1month by 1min interval / Interval selectable)
    • Logged Item; Date, time, Instantaneous flow rate, +Total, -Total, Error code and Event status
  • Function PC Graphical parameter setting Span compensation
    • 4 key configurable from the console Fixed Analog Output
    • Self-diagnostics Auto Gain Control
    • Disturbance detection Preset Totalize Start
    • No Echo receiving warning Data Retention
    • Low flow cut Echo-wave form monitor
    • Zero shift Error Status indication

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