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
Detection of flare gas leaks, steam flow measurement, monitoring of gas losses, monitoring of steam injection in flare gas burning as well as process optimization are fields of use for this gas flowmeter FLOWSIC100-Flare-XT. It measures values such as gas velocity, gas volume, mass flow rate, molecular weight, volumetric flow and sound velocity. Additionally, it provides an intelligent device monitoring process and supports predictive maintenance - designed for current and future challenges.
Flare gas measurement for the production and processing of natural gas and associated petroleum gases (APG)
Flare gas measurement in chemical and petrochemical plants
Measurement of LNG boil-off gas
Device properties:
Reliable measurement even at high gas velocities and with changing gas compositions
Direct mass flow calculation without additional gas analyzers
Intuitive FLOWgateTM software for commissioning, operation and diagnostics
Self monitoring, self testing and predictive maintenance
利点
Several standards and guidelines for flare gas measurement are observed
Maximum plant availability
Compatible with current and future communication architectures
Independent maintenance through verification on demand and support when required
Easy replacement of existing measurement systems, with suitable retrofit or upgrade solutions available
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
Endress+Hauser offers the best solutions through a huge range of products and systems to measure and perform even under the most rigorous operating conditions.
FLOWSIC100 Flare-XT – gas flow measuring instruments
イノベーション（IN）
英語版 - 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.
