Flow Measurement - KEM Küppers Elektromechanik GmbH - #9

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HM Turbine flow meter 9 Measurable Media • Water (normal and demineralized water) • Heating oil • Fuels • Solvent • Liquified gases and cryogenic liquids • Pharmaceutical liquids Versions • Pipe fitting • Tri-Clamp mounting version • Flange version • High pressure version • Aluminium version Turbine flow meters (HM) are flow meters working according to the principle of Woltmann meters. They asses the flow through the cross-section of a pipe by means of the mean flow velocity. A low mass turbine wheel is concentrically mounted in the tubular body of the turbine. The flowing medium hits it in the axial direction and rotates it. Flow conditioners smooth the medium, so that the wheel is in contact with a uniform flow. The speed of the turbine wheel is proportional to the average flow velocity in the pipe cross section and is therefore mostly proportional to the flow rate. They are used for precise measurement of instantaneous flow rates and flow-metering of low viscosity liquids. KEM-turbines have a short response time and a resolution of up to 100,000 pulses/ltr., which is an advantage in the case of filling operations which require accuracy. The response time, depending on the nominal diameter of the source is between 5 and 50 msec. This guarantees precise detection of rapidly changing flow rates and pulsing flows. For applications in hazardous areas, we offer intrinsically safe sensors and amplifiers with Ex protection in accordance with ATEX, RTN, CSA and other testing standards. More information is available at: www.kem-kueppers.com Technical Data • Measuring ranges: 0.03 – 25,000 l/min • Viscosity range: 0.8 – 100 mm²/s • Linearity: from 0.1% of the reading • Repeatability: < 0.1% • Maximum pressure: up to 5,600 bar • Temperature range: -273 to 350°C made in Germany