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Volume flow measuring device for process applications, FLOWSIC100 Process


The ultrasonic transducers of the FLOWSIC100 PR-EX-Z2 gas flow measuring device are mounted on one measuring probe. Therefore installation is on only one side of the duct. The rugged titanium transducers stand for high durability. The standard version contains the measuring probe in an explosion-proof version for hazardous areas Zone 2 and an MCU control unit. The MCU is used for input and output of signals, for calculation of reference values (standardization) or mass flows, as well as user-friendly LCD interface.

At a glance

  • Corrosion-resistant transducers made of titanium
  • Measuring probe version for installation from one side
  • Explosion-proof for application in Zone 2 (ATEX)
  • Automatic function control with zero and span point check

    Your benefits

  • Installation from only one side of the duct
  • No moving parts, therefore low maintenance effort
  • Measurement independent from pressure, temperature and gas composition
  • High durability due to robust transducers
  • User-friendly operation and device diagnosis via MCU control unit and SOPAS ET operating software

    Fields of application

  • Natural gas industry
  • Chemical and plastics manufacturing industry
  • Petrochemical industry and refineries
  • Iron and steel production
  • Pharmaceutical industry
  • Glass industry
  • Food industry
    Technical data
    Measurement principle: Ultrasonic transit time difference measurement
    Measured values: Gas velocity
    Gas temperature
    Mass flow
    Sound velocity
    Volumetric flow, a. c.
    Volumetric flow s. c.
    Max. number of measurands: 1
    Measuring ranges: Gas velocity: -40 ... 0 m/s / 0 ... 40 m/s
    Comment: Continuously adjustable
    Температура процесса: -40 ... +260 °C
    versions for lower temperatures on request
    Давление процесса: -100 ... 100 hPa
    Dust load: ≤1 g/m3
    Nominal pipe size: ≥0.4 m
    Length of measuring path: 0.27 ... 0.28 m
    Ambient temperature: FLSE100 sender/receiver units, MCUP control unit: -40 ... +60 °C
    Ex-approvals ATEX: FLSE100 sender/receiver units: II 3 G EEx nA II T4
    certified by manufacturer
    MCUP control unit: II 3 G EEx nA II T4
    Ex-version optional; certified by manufacturer
    Electrical safety: CE
    Enclosure rating: IP 65
    Analog outputs: 1 output:
    0/2/4 ... 22 mA, 750 Ω
    additional outputs if using I/O modules
    Analog inputs: 2 inputs:
    0 ... 20 mA , 0 ... 10 V
    additional inputs if using I/O modules
    Digital outputs: 5 floating outputs (change-over contacts) 48 V, 1 A
    additional outputs if using I/O modules
    Digital inputs: 4 potential-free contacts
    additional inputs if using I/O modules
    Interfaces: Ethernet (option)
    RS-232 (service interface)
    RS-485 (option)
    USB 1.1
    Bus protocol: Ethernet TCP/IP (option)
    Modbus (option)
    PROFIBUS DP (option)
    Operation: Via LC-display or software SOPAS ET
    Device version: Measuring probe version
    System components: Connection unit
    Flange(s) with tube
    FLSE100 sender/receiver units
    MCUP control unit
    Diagnostics functions: Automatic check cycle for zero and span point
    Extended device diagnosis via SOPAS ET software
    Mounting: Installation angle 45°

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