Mass flow rate, volumetric flow s. c. (standard condition), volumetric flow a. c. (actual condition), molecular weight, gas volume and mass, gas velocity, sound velocity
Mass flow rate, volumetric flow s. c. (standard condition), volumetric flow a. c. (actual condition), molecular weight, gas volume and mass, gas velocity, sound velocity
Measuring range
0,03 m/s ... 120 m/s (0.1 ft/s ... 394 ft/s)
Max. Measurement error
Volumetric flow, a. c.; 1 % ... 5 % Related to the measured value with ultrasonic technology (in the range ≥ 0.3 m/s (≥ 1 ft/s) to measuring range end value) 0,5 % ... 1,5 % with spool piece and flow calibration Related to the measured value with ultrasonic technology (in the range ≥ 1.0 m/s (≥ 3.3 ft/s) to calibration range end value
Mass flow rate a.c.; 2 % ... 5.5 % Related to the measured value with ultrasonic technology (in the range ≥ 0.3 m/s (≥ 1 ft/s) to measuring range end value) 1,5 % ... 2 % with spool piece and flow calibration Related to the measured value with ultrasonic technology (in the range ≥ 1 m/s (≥ 3.3 ft/s) to calibration range end value)
Interface Unit IECEx: Zone 1: Ex db eb ia IIC T4 Gb Zone 1: Ex db ia IIC T4 Gb Zone 2: EX ec ia IIC T4 Gc
ATEX: Zone 1: II 2G Ex db eb ia IIC T4 Gb Zone 1: II 2G Ex db ia IIC T4 Gb Zone 2: II 3G Ex ec ia IIC T4 Gc
NEC/CEC (US/CA): Class I, Zone 1, AEx d ia IIC T4 Gb Class I, Division 1, Groups B, C, D, T4 Class I, Zone 2, AEx ec ia IIC T4 Gc Class I, Division 2, Group A, B, C and D, T4
Sensors F1F-S/P/R: IECEx: Zone 1: Ex db [ia Ga] IIC T6 Ga/Gb ATEX: Zone 1: II 1/2 G Ex db [ia Ga] IIC T6 Ga/Gb NEC/CEC (US/CA): Class I, Division 1, Groups B, C and D, T4; Class I, Zone 1, Ex/AEx d[ia] IIB + H2, T4;
F1F-M: IECEx: Zone 1: Ex db [ia Ga] IIB T4 Ga/Gb ATEX: Zone 1: II 1/2 G Ex db [ia Ga] IIB T4 Ga/Gb NEC/CEC (US/CA): Class I, Division 1, Groups C and D, T4; Class I, Zone 1, Ex/AEx d[ia] IIB, T4;
F1F-H: IECEx: Zone 1: Ex db IIC T6 Gb ATEX: Zone 1: II 2 G Ex db IIC T6 Gb NEC/CEC (US/CA): Class I, Division 1, Groups B, C and D, T4; Class I, Zone 1, Ex/AEx d IIB + H2, T4;
Outputs
Up to 6 outputs when using I/O modules (Option) 16 bit: 4 ... 20 mA 7 V DC ... 30 V DC In accordance with NAMUR NE43 Passive, galvanically isolated Reverse polarity protection
Digital Outputs
Switching output: Up to 6 outputs when using I/O module (option) Electrically isolated Max. current: 70 mA Max. switching frequency: 50 Hz Max. input voltage: 30 V DC Max. saturation voltage at output: 0.5 V DC Switchable Namur/open collector Reverse polarity protection
Digital output/Frequency output: Up to 12 digital outputs when using I/O modules (option) Electrically isolated Max. current: 50 mA Max. switching frequency: 10 kHz Max. input voltage: 30 V DC Max. saturation voltage at output: 1.8 V DC Switchable Namur/open collector Reverse polarity protection
Supplement (to be used only in combination with the currently valid Operating Instructions) to: ● FLOWSIC100 Flare-XT when the F1F-R sender/receiver units are used with an Interface Unit, ● FLOWSIC100 Flare-XT Transmitter when the F1F-R sender/receiver units are used as stand-alone Transmitter.
Description of the stainless steel enclosure option which is available for the Interface Unit. With this additional option, the Interface Unit can safely be isolated from the corrosive offshore environment.
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FLOWSIC100 Flare-XT – gas flow measuring instruments
创新（IN）
英语版 - 04/2025
New version available in English
The gas flow measuring device FLOWSIC100 Flare-XT features a unique flow-optimized sensor design, which allows reliable measurements at high gas velocities and changing gas compositions.
