For Liquid
Functional Safety with FLUXUS
FLUXUS SIL - Non-invasive Fuctional Safety approved Flowmeter
The FLUXUS non-invasive ultrasonic flow meters have always been the first choice when it comes to maintaining accurate measurements in harsh conditions – e.g. during the flow measurement of aggressive, toxic or highly explosive media, at high temperatures or high pressure.
FLUXUS measures from the safe side: From outside.
The clamp-on ultrasonic transducers are simply mounted on the outside of the pipe. Without any risk of leak and during ongoing operation. The ultrasonic measuring method doesn’t need any wetted devices, does not pose any risk of clogging and is not subjected to mechanical stress which means it is practically wear-free.
As the wetted parts of inline measuring devices are not subject to the Failure Mode Effects and Diagnostics Analysis (FMEDA), they are not included in the scope of certification - presenting a safety risk. On the other hand, the SIL 2 certification of the FLUXUS non-invasive flow meter includes the entire measuring system -the measuring transmitters and transducers. It also includes the patented WaveInjector mounting fixture for extreme temperatures, allowing the non-invasive flow measurement at liquid temperatures from as low as -190 °C up to +650 °C. FLEXIM also offers special radiation-resistant transducers for use in the nuclear industry.
Safety without interruption.
The advantages of FLEXIMs non-invasive flow measurement technology pay off all the more over the entire lifecycle:
There is never any need to interfere with the pipeline system when carrying out periodic inspections. The self-diagnosis functions of the FLUXUS mean retests can be carried out easily to accurately assess the reliability and quality of the measurement. Even more detailed functional tests such as alarm tests or tests for monitoring compliance with measuring accuracy requirements never interfere with plant availability.
Advantages
Functional safety with FLUXUS
• Non-invasive measurement without media contact
- shortened prior-use method
• Simple retrofitting during ongoing operation
- ideal for a subsequent increase in safety
- ideal for maintaining the protective function should an inline measurement fail
• Comprehensive certification
- transducers, clamp device and electronics are part of the FMEDA
• Extremely wide range of applications
- transducers and measuring transmitters for the flow measurement of liquids and gases
- SIL certification also covers WaveInjector technology for the flow measurement of liquids at extreme temperatures of -190 °C to +650 °C
• Straightforward retesting
- easy functional tests in no time at all
- convincing self-diagnosis functions
• Transparent evaluations
- publication of FMEDA report
- full information on certification procedures and scope
Applications
• Chemical Industry
- Base & Intermediate Chemicals
Technical Facts
| FLUXUS F70X | ATEX, IECEx Zone 2, FM Class I, Div. 1 approval (optional), IP66, aluminium or stainless steel housing variants |
| FLUXUS ADM8X27 | ATEX, IECEx Zone 1, FM Class I, Div. 1 approval, IP66, aluminium or stainless steel housing variants - suitable for offshore use |
| Measuring quantities | volume flow rate, mass flow rate, flow velocity |
| Operating temperature of the transmitter | -10 °C to +60 °C |
| Degree of protection Transducers | up to IP68 |
| Operating temperature of the transducers at pipe wall | -40 °C to +200°C or -190 °C to +650 °C in conjunction with WaveInjector mounting fixture |
| Flow velocity range | 0,01 to 25 m/s |
| Pipe diameter range | 6 mm to 6500 mm |
| Measurement accuracy (extended calibration) | ± 1,2% of reading ± 0,01 m/s |
| Measurement accuracy (field calibrated) | ± 0,5% of reading ± 0,01 m/s |
| Repeatability | 0,15% of reading ± 0,01 m/s |
| Data logger capacity | >100 000 values: all quantities, summed measurings and diagnostics |
| Communication Protocol | Modbus RTU |
| Power supply | 100 to 240 V AC / 50 to 60 Hz or 20 to 32 V DC |
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