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FLOWSIC100 EX-PR
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Reliable gas flow measurement for flare gas applications Reliable gas flow measurement for flare gas applications
At the FLOWSIC100 Flare devices the ultrasonic transducer is embedded in a flow optimized probe. The unique design reduces flow noise and signal drift to a minimum. Therefore, the FLOWSIC100 Flare devices suits excellent for measurements at very high gas velocities, and gives stable and reliable measurements.
The ultrasonic transducers of the FLOWSIC100 EX-PR are mounted on a measuring probe. Therefore, it can be installed with a single flange from one side only. The standard version contains a measuring probe and a MCU control unit. The MCU is used for input and output of signals, for calculation of reference values (standardization), molecular weight, mass flow or gas volume as well as for comfortable handling via LC-display. Applications
- Emission control as accounting for CO2 taxes
- Detection of flare gas leakages and gas identification
- Optimizing of steam usage at flaregas combustion
- Control of gas wastage
- Accurate mass balance calculation and process optimization
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| Technical specification |
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Measuring principle |
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Ultrasonic transit time measuring method |
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Measuring ranges |
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gas velocity: 0.03 ... 90 m/s((0.1 ... 295 ft/s, depending on pipe size and gas composition) |
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Measuring values |
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mass flow, volumetric flow (actual and standard condition), molecular weight, volume (standard condition), mass, sound velocity, gas temperature |
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Process temperature |
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standard: -70 ... 180 °C (-94 ... 356 °F)
high temperature zone1: -70 ... 280 °C (-94 ... 536 °F)
high temperature zone 2: -70 ... 260 °C (-94 ... 500 °F)
low temperature: -200 ... 100 °C (-328 ... 212 °F, on request) |
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Process pressure |
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-0.5 ... 16 barg |
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Duct diameter |
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0.3 ... 1.8 m (11.8 ... 70.9 in) |
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Ambient temperature |
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sender/receiver units: -40 ... 70 °C (-40 ... 158 °F, option: -50 ... -70 °C
(-58 ... 158 °F))
control unit MCU: -40 ... 60 °C (-40 ... 140 °F) |
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Ex-approvals |
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sender/receiver units:
zone 1: II 2G Ex d [ia] IIC T4; II 2G Ex de [ia] IIC T4; CSA cl I, div 1; cl I, zone 1 (option:
temperature class T6, zone 0 for ultrasonic transducers ATEX I/2G Ex d [ia] IIC T4)
zone 2: II 3G Ex nA II T4
control unit MCU:
zone 1: ATEX II 2G Ex d IIC T4; CSA Cl I, Div1; Cl I, Zone 1 (pending)
zone 2: ATEX II 3G Ex nA II T4; CSA Cl I, Zone 2 |
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Electrical safety |
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CE |
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Enclosure rating |
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sender/receiver units: IP 65, IP 67
control unit MCU: IP 65 |
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Analog outputs |
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1 output:
0/2/4 ... 22 mA, 750 Ohm, further analog outputs when using I/O modules |
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Analog inputs |
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2 inputs:
0 ... 5/10 V or 0 ... 20 mA, further analog inputs when using I/O modules |
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Digital outputs |
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5 outputs:
30 V DC/2 A, 120 V AC/1 A (option: pulse output), further digital outputs when using I/O modules |
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Digital inputs |
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4 inputs, further digital inputs when using I/O modules |
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Interfaces |
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USB, RS-232, RS-485 (option: interface module), Ethernet (option: interface module)
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Bus protocol |
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TCP/IP via Ethernet (option: interface module),
PROFIBUS-DP via RS-485 (option: interface module),
MODBUS via RS-485 (option: interface module),
HARTBUS via RS-485 (option: interface module, pending)
Foundation Fieldbus (on request) |
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Operation |
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via control unit MCU od software SOPAS |
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System components |
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sender/receiver units, Control unit MCU, nozzles |
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Test functions |
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internal control cycle for zero and span point |
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Volume Flow Measurement
FLOWSIC100 EX-;)
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