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SFC-900 UCUF Converter for Ultrasonic Flowmeter

Brand: Tokyo Keiso Co, Ltd

UCUF series ultrasonic flowmeter is designed for very small flow rate of ultra-pure water and chemical liquid services. All wet parts made of molded specific grade PFA have no moving part and no sealing mechanism like o-ring which would lead to liquid stagnation. The simple and smooth construction leaving no residues is best suited for such process as semiconductor manufacturing where cleanliness is required.

The SFC-900 is used as a converter for UCUF series ultrasonic flowmeters. Using patented Subtracting Correlation Method by TOKYO KEISO Co., Ltd., the converter offers stable flow measurement by eliminating drastically the adverse effects caused by the bubbles contained in semiconductor and chemical liquid handling processes. The value-added simple circuit configuration of Subtracting Correlation Method has realized high-performance flowmeter at inexpensive price.
Features
  • Intensified bubble resistivity
    • The ultrasonic flowmeters have difficulties in measuring fluids containing bubbles, because the bubbles decrease the receiver sensitivity. The Subtracting Correlation Method determines the flow rate by the correlation of receiver signals of upward and downward streams which enables stable flow measurement even at low sensitivity unless the receiver signal becomes 0. TOKYO KEISO Co., Ltd has succeeded in significant improvement of the bubble resistivity by detecting and eliminating unstable conditions thanks to our accumulated field experiences.
  • Compact and light weight
    • The detector and the converter are of separate type. Compact and easy wiring because of the plug-in construction of the converter.
  • Coaxial connector
    • General purpose BNC coaxial connector common to existing products.
  • Cleared EMC test
    • EMI/EN55011: 2007 (Group1, Class A)
    •  EMS/EN61326: 2006
  • RoHS compatible
  • Measurement of high kinematic viscosity liquids as high as 40 mm²/s
  • Ideal detector with clean construction
  • Corrosion resistant and easy installation
  • Accuracy: within ±1% of the reading at flow velocity 1 m/s or more
  • Versatile functions including followings
    • Alarm outputs of instantaneous flow rate or fault status output.
    • Various Analog outputs of instantaneous flow rate are selectable.
  • Easy and simple parameter setting corresponding to measuring liquids

Specifications

Approvals & Certifications

  • CE
  • EMC - EMI/EN 55011: 2007 (Group 1, Class A), EMS/EN 61326: 2006
  • RoHS

Communication

  • Modbus
  • RS-485

Consumption

  • Approximately 100 mA (Approximately 2.5 W)

Enclosure, Body Material

  • ABS Resin (Black Color)

Environmental Protection

  • IP20 (Indoor Use)

Power Supply

  • 24 Vdc ± 10 %

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