The Rheonik mass flowmeters are all based on the Omega shaped torsion oscillator. This unique technology offers outstanding features which translate into advantages for your flow measurement applications.
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| Rheonik Coriolis Mass Flow Meter |
The unique Omega shaped Coriolis mass flowmeter is not just shaped in this way for the sake of differentiation from other manufacturers, and the shape was not chosen because it was the only one not yet under patent protection. The Rheonik mass flowmeter is the result of intensive research work in the early 80s when mass flowmeter technology came up. Dipl.-Ing. Karl Käppers worked on many different designs and tested them with regard to stability, reliability and accuracy
- No change of accuracy with changing pressures - active measurement section is half round and maintains its exact shape at any pressure
- Active measurement section of the Omega is de-coupled from process connections via mass bars. Vibrations have less influence on measurement than with conventional Coriolis meters
- Tensions from the process side cannot disturb active measurement section of Omega since it is de-coupled (straight tube shaped meters are very vulnerable in this regard)
- Mass bar and torsion rods (rods work as a spring) form a harmonically oscillating system, resulting in great stability and little energy needed (therefore intrinsically safe)
- Mass bar - torsion rod system provides very big amplitudes, hence excellent signal to noise ratio. Even smallest rates can be measured reliably.
- Straight tubes have low signal to noise ratio
- Torsion oscillator allows bigger wall thickness, hence higher pressure ratings, increased safety, and extreme temperature possible
- Torsion movement instead of bending creates less stress in tubes - longer life time
- Torsion movement is less affected by pipe vibrations since the vibrations are horizontal or vertical. Operational movement (torsion) is not in the same plane as the vibration movements - less cross talk
- Compact form. Shorter face-to-face length than straight tube shaped meters
- Separate transmitter for flexibility - easy to integrate into systems
- Extreme applications
- Sensor models rated over 1,000 bar are available
- Temperatures from -196°C to +395°C
- Highest accuracy under real-life conditions
- Units available for fiscal duties
- Low energy usage
- EEx ia IIC sensors available (ATEX and CSA)
- Flexible configuration
- Diameters from ½" to 12"
- Wetted parts materials available: stainless steel, Alloy C22, (Super) Duplex, Tantalum and others
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