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Mass flow measuring devices
FLOWSIC100 Flare

FLOWSIC100 Flare
On request
Usual availability on request
Please note: In accordance with Article 2 (4), this product does not fall within the scope of RoHS directive 2011/65/EU and is also not designed for use in products which fall within the scope of this directive. You can find additional information in the product information.
The exact device specifications and performance data of the product may deviate from the information provided here, and depend on the application in which the product is being used and the relevant customer specifications.
Our regional sales organization will help you to select the optimum device configuration.
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  • The FLOWSIC100 Flare product family is designed for flare gas and steam flow measurements. The product family is characterized by a unique flow-optimized sensor design. This innovative design minimizes flow-generated noise and signal drift when gas velocities are particularly high. Modern signal processing and high-efficiency transducers enable high time resolution for signals and thus deliver accurate measurements, even at extremely low gas flow rates.

    The standard system configuration includes two sender/receiver units or one measuring probe and the MCUP control unit. The MCUP unit is used to input and output signals, to calculate reference values (normalization), molecular weight and mass flow, to record gas volumes, and to provide user-friendly control via the LCD display.

    At a glance
    • High-resolution measurement and short response time
    • Innovative sensor design for very high gas velocities and gas temperatures up to 280 °C
    • Optimal signal transmission even under atmospheric pressure
    • Detached installation of the control unit up to 1,000 m away
    • Single and multi-path configuration, opt. Probe version
    • Zero point test in the field according to factory standard
    • Control cycle for automatic self-diagnosis / signal optimization
    Your benefits
    • Reliable process control due to exact measurement near the zero point
    • High measurement availability even in the case of emergency shutdowns with gas velocities of up to 120 m/s
    • A solution for the measurement of flare gas and steam injection
    • Cost savings due to detached installation of the control unit possible in the safe area
    • System solution for the control of three different measuring points with a common control unit
    • Cost savings due to one-sided installation when using FLOWSIC100 EX-PR probe version
    • Guarantee of optimal device performance due to continual function monitoring and extended diagnostic functions in the field
    • FLOWSIC100 Flare system
      Measured valuesMass flow rate, volumetric flow s. c., volumetric flow, a. c., molecular weight, gas volume and mass, gas velocity, gas temperature, sound velocity
      Number of measuring paths1, 2
      Measurement principleUltrasonic transit time difference measurement
      Measuring mediumMixtures of hydrocarbons with or without H2 content
      Repeatability0.2 % at ≥ 10 m/s
      Resolution+ 0.001 m/s
      Uncertainty of measurement
      Volumetric flow a. c. (1-path measurement)± 1.5 % ... 5 %
      Of the measured value (in the range 0.3 m/s up to the upper range value) 1
      Volumetric flow a. c. (1-path measurement)± 0.5 %
      Of the measured value (in the range 1 m/s up to the upper range value) 1,2
      Volumetric flow a. c. (2-path measurement)± 1 % ... 3 %
      Of the measured value (in the range 0.3 m/s up to the upper range value) 1
      Volumetric flow a. c. (2-path measurement)± 0.5 %
      Of the measured value (in the range 1 m/s up to the upper range value) 1,2
      Mass flow (1-path measurement)± 2.5 % ... 5 %
      Of the measured value (in the range 0.3 m/s up to the upper range value) 1,3
      Mass flow (2-path measurement)± 2 % ... 4 %
      Of the measured value (in the range 0.3 m/s up to the upper range value) 1,3
      Molecular weight≤ 2 %
      Of the measured value (in the range 2 ... 120 kg/kmol) 3

      1 For fully developed flow profiles

      2 After flow calibration

      3 Hydrocarbon mixtures with < 10% of non-hydrocarbonic content

      Gas temperature
      Standard–70 °C ... +180 °C
      High-temperature Zone 1–70 °C ... +280 °C
      High-temperature Zone 2–70 °C ... +260 °C
      Low temperature–196 °C ... +100 °C
      Not for FLOWSIC100 EX/EX-RE Zone 1 and Class I, Division 1
      Operating pressure

      –0.5 bar (g) ... 16 bar (g)

      FLOWSIC100 EX-S 90°: –0.5 bar (g) ... 19 bar (g)

      Ambient temperature
      Sensors, ignition group IIC T4–40 °C ... +70 °C
      Sensors, ignition group IIC T4–50 °C ... +70 °C
      Optional
      Sensors, ignition group IIC T6–40 °C ... +55 °C
      Sensors, ignition group IIC T6–50 °C ... +55 °C
      Optional
      Storage temperature

      –40 °C ... +70 °C

      –50 °C ... +70 °C
      Optional

      Ambient humidity≤ 95 %
      Relative humidity
      Electrical safetyCE
    • FLOWSIC100 EX-S
      Measuring ranges
      Gas velocity0.03 ... 120 m/s
      Measuring span4000 : 1
      Nominal pipe size
      1-path measurement4 ″ ... 24 ″
      Depending on gas composition
      2-path measurement12 ″ ... 24 ″
      Depending on gas composition
      Ex-approvals
      IECExEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      ATEX

      II 1/2 G Ex d [ia Ga] IIC T4 Ga/Gb

      II 1/2 G Ex d e [ia Ga] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers

      II 3 G Ex nA IIC T4 Gc

      NEC/CEC (US/CA)

      Cl I, Div1 Group B, C, D T4

      Ex/AEx d [ia] IIB + H2 T4
      Optional: temperature class T6

      Cl I, Div2 Group A, B, C, D T4

      Ex/AEx nA [ia] IIC T4
      Optional: temperature class T6

      INMETROEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      Enclosure rating
      ATEX zone 1 with terminal boxIP65
      ATEX zone 1 without terminal boxIP65 / IP67
      ATEX zone 2 with terminal boxIP65
      NEC/CEC (US/CA)Housing type 4, IP65
      INMETROIP65 / IP67
      Dimensions (W x H x D)For details see dimensional drawings
      Weight≤ 11 kg
    • FLOWSIC100 EX-S 90°
      Measuring ranges
      Gas velocity0.03 ... 90 m/s
      Depending on gas composition
      Measuring span3000 : 1
      Nominal pipe size
      1-path measurement12 ″ ... 72 ″
      Ex-approvals
      IECExEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      ATEX

      II 1/2 G Ex d [ia Ga] IIC T4 Ga/Gb

      II 1/2 G Ex d e [ia Ga] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers

      II 3 G Ex nA IIC T4 Gc

      NEC/CEC (US/CA)

      Cl I, Div1 Group B, C, D T4, Ex/AEx x d [ia] IIB + H2 T4
      Optional: temperature class T6

      Cl I, Div2 Group A, B, C, D T4, Ex/AEx x nA [ia] IIC T4
      Optional: temperature class T6

      INMETROEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      Enclosure rating
      ATEX zone 1 with terminal boxIP65
      ATEX zone 1 without terminal boxIP65 / IP67
      ATEX zone 2 with terminal boxIP65
      NEC/CEC (US/CA)Housing type 4, IP65
      INMETROIP65 / IP67
      Dimensions (W x H x D)For details see dimensional drawings
      Weight≤ 12 kg
    • FLOWSIC100 EX/EX-RE
      Measuring ranges
      Gas velocity0.03 ... + 120 m/s
      Measuring span4000 : 1
      Nominal pipe size
      1-path measurement8 ″ ... 72 ″
      Depending on gas composition
      2-path measurement12 ″ ... 72 ″
      Depending on gas composition
      Ex-approvals
      IECExEx d IIC T4
      Optional: temperature class T6
      ATEX

      II 2G Ex d IIC T4

      II 2G Ex de IIC T4
      Optional: temperature class T6

      II 3 G Ex nA IIC T4 Gc

      NEC/CEC (US/CA)

      Cl I, Div1 Group B, C, D T4

      Ex/AEx d IIB + H2 T4
      Optional: temperature class T6

      Cl I, Div2 Group A, B, C, D T4

      Ex/AEx nA IIC T4
      Optional: temperature class T6

      INMETROEx d IIC T4
      Optional: temperature class T6
      Enclosure rating
      ATEX zone 1 with terminal boxIP65
      ATEX zone 1 without terminal boxIP65 / IP67
      Version for Ex-zone 2IP65
      NEC/CEC (US/CA)Enclosure type 6, IP65/67, single seal
      INMETROIP65 / IP67
      Dimensions (W x H x D)For details see dimensional drawings
      Weight≤ 14 kg
    • FLOWSIC100 EX-PR
      Measuring ranges
      Gas velocity0.03 ... + 90 m/s
      Measuring span3000 : 1
      Nominal pipe size
      1-path measurement12 ″ ... 72 ″
      Depending on gas composition
      2-path measurement18 ″ ... 72 ″
      Depending on gas composition
      Ex-approvals
      IECExEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      ATEX

      II 1/2 G Ex d [ia Ga] IIC T4 Ga/Gb

      II 1/2 G Ex d e [ia Ga] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers

      II 3 G Ex nA IIC T4 Gc

      NEC/CEC (US/CA)

      Cl I, Div1 Group B, C, D T4

      Ex/AEx d [ia] IIB + H2 T4
      Optional: temperature class T6

      Cl I, Div2 Group A, B, C, D T4

      Ex/AEx nA [ia] IIC T4
      Optional: temperature class T6

      INMETROEx d [ia] IIC T4 Ga/Gb
      Optional: temperature class T6, ex zone 0 for ultrasonic transducers
      Enclosure rating
      ATEX zone 1 with terminal boxIP65
      ATEX zone 1 without terminal boxIP65 / IP67
      Version for Ex-zone 2IP65
      NEC/CEC (US/CA)Housing type 4, IP65
      INMETROIP65 / IP67
      Dimensions (W x H x D)For details see dimensional drawings
      Weight≤ 32 kg
    • MCUP control unit
      DescriptionUnit for controlling the sender/receiver units and offsetting, evaluating, and outputting measured value data
      Ambient temperature
      MCUP control unit (non-Ex)–40 °C ... +60 °C
      MCUP control unit (Cl I, Div2, Zone 2, 115/230 V AC)–25 °C ... +60 °C
      MCUP control unit (Cl I, Div2, Zone 2, 24 V DC)–40 °C ... +60 °C
      MCUP control unit (Cl I, Div1, Group A, B, C, D)–25 °C ... +50 °C
      MCUP control unit (Cl I, Div1, Group C, D)–50 °C ... +50 °C
      MCUP control unit (Ex zone 1)–40 °C ... +55 °C
      For ATEX/IECEx devices
      MCUP control unit (Ex zone 1)–55 °C ... +55 °C
      For ATEX/IECEx devices, 24 V DC on request
      Ex-approvals
      IECExEx de IIC T6
      ATEX

      II 2G Ex de IIC T6

      II 3 G Ex nA II T4

      NEC/CEC (US/CA)

      CSA Cl 1, Div2, Cl1, Zone 2 Group A, B, C, D T4

      Ex/AEx nA IIC T4

      Enclosure rating
      Version for Ex-zone 1IP66
      Version for Ex-zone 2, Div2, Div1Enclosure type 4 or 4X/IP66
      Version for non-Ex areasIP66
      19″-typeIP20
      Analog outputs1 output:
      0/2/4 ... 22 mA, + 500 Ω
      According to NAMUR NE43 (Standardization Association for Measurement and Control), up to 7 outputs when I/O modules are used (optional)
      Analog inputs

      2 inputs:
      0 ... 5 V
      0 ... 10 V
      Or

      2 inputs:
      0 ... 20 mA
      Without galvanic isolation, up to 12 outputs if using I/O modules (option)

      Digital outputs

      5 relay contacts:
      + 48 V DC, 1 A
      Potential-free, for status signals, up to 7 outputs if using I/O modules (option),
      Pulse/frequency output (option)

      5 relay contacts:
      / 30 V DC, 1 A
      MCUP for Zone 2/Div2, potential-free, for status signals, up to 7 outputs if using I/O modules (option),
      Pulse/frequency output (option)

      Digital inputs2 inputs:
      For connection of potential-free contacts
      USB
      FunctionConnection to SOPAS ET software
      Serial
      Type of fieldbus integration

      RS-232

      RS-485

      Function

      Connection to SOPAS ET software

      Internal system bus

      Ethernet
      Type of fieldbus integrationVia optional interface module
      FunctionConnection to SOPAS ET software
      Modbus
      Type of fieldbus integration

      ASCII RS-485 (via optional interface module, standard for 90° upgrade kit)

      RTU RS-485 (via optional interface module, standard for 90° upgrade kit)

      TCP (via optional interface module, standard for 90° upgrade kit)

      HART
      Type of fieldbus integrationVia optional interface module
      PROFIBUS DP
      Type of fieldbus integrationVia optional interface module
      Foundation Fieldbus
      Type of fieldbus integrationVia optional interface module
      Indication

      LC display

      Status LEDs: "Power", "Maintenance request" and "Fault"

      OperationVia LC-display or software SOPAS ET
      Dimensions (W x H x D)For details see dimensional drawings
      Weight

      Zone 1, housing size 4: ± 14 kg

      Zone 1, housing size 6: ± 18 kg

      Zone 1, stainless steel housing: ± 70 kg

      Zone 2 and versions without Ex-protection: ± 5 kg

      19″-rack enclosure: ± 6 kg

      CSA Cl I, Div 1, housing size 4: ± 12 kg

      CSA Cl I, Div 1, housing size 6: ± 16 kg

      Electrical connection
      Voltage

      Version for non-Ex areas: 90 ... 250 V AC

      Version for Ex-zone 1: 90 ... 250 V AC

      Version for Ex-zone 2, Div2, Div1: 115 V AC / 230 V AC

      Version for Ex-zone Cl1, Div1: 100 ... 240 V

      Versions with 24 V DC available as an option
      Frequency50 Hz / 60 Hz
      Power consumption≤ 20 W
      Options

      Interface module(s)

      I/O module(s)

    Technical drawings

    FLOWSIC100 Flare
    FLOWSIC100 EX-S, sender/receiver unit, not retractable
    FLOWSIC100 Flare
    FLOWSIC100 EX-S, sender/receiver unit, retractable
    FLOWSIC100 Flare
    FLOWSIC100 EX, sender/receiver unit, not retractable
    FLOWSIC100 Flare
    FLOWSIC100 EX-RE, sender/receiver unit, retractable
    FLOWSIC100 Flare
    FLOWSIC100 EX-PR, sender/receiver unit, not retractable
    FLOWSIC100 Flare
    FLOWSIC100 EX-PR, sender/receiver unit, retractable
    FLOWSIC100 Flare
    electronics units of sender/receiver units (digital)
    FLOWSIC100 Flare
    MCUP control unit, wall-mounting enclosure, compact version (for non-hazardous areas only)
    FLOWSIC100 Flare
    MCUP control unit, wall-mounting enclosure, medium version
    FLOWSIC100 Flare
    MCUP control unit, wall-mounting enclosure Ex d/Ex e, size 4, aluminum, ATEX zone 1
    FLOWSIC100 Flare
    MCUP control unit, wall-mounting enclosure Ex d/Ex e, stainless steel, ATEX Zone 1
    FLOWSIC100 Flare
    MCUP control unit, 19″-rack enclosure (for non-hazardous areas only)
    FLOWSIC100 Flare
    mounting nozzle for FLOWSIC100 EX
    FLOWSIC100 Flare
    mounting nozzle for FLOWSIC100 EX-PR
    FLOWSIC100 Flare
    mounting nozzle for FLOWSIC100 EX-S
    FLOWSIC100 Flare
    ball valve, 2″ version, for standard temperatures
    FLOWSIC100 Flare
    ball valve, 2″ version, for high temperatures
    FLOWSIC100 Flare
    ball valve, 2″ version, for low temperatures
    FLOWSIC100 Flare
    ball valve, 3″ version, for standard temperatures
    FLOWSIC100 Flare
    ball valve, 3″ version, for high temperatures
    FLOWSIC100 Flare
    ball valve, 3″ version, for low temperatures
    FLOWSIC100 Flare
    FLOWSIC100 EX-S 90°, sender/receiver unit
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