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SITRANS F flowmeters - Industria de Siemens

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<strong>SITRANS</strong> F <strong>flowmeters</strong><strong>SITRANS</strong> F MSystem information <strong>SITRANS</strong> F Melectromagnetic <strong>flowmeters</strong>© <strong>Siemens</strong> AG 2009Selection of sensorMetric4Sizing table (DN 2 … DN 2000)The table shows the relationship between flow velocity v, flowquantity Q and sensor dimension DN.Gui<strong>de</strong>lines for selection of sensorMin. measuring range: 0 to 0.25 m/sMax. measuring range: 0 to 10 m/sNormally the sensor size is selected so that the nominal flow velocityv lies within the measuring range 1 to 3 m/s.Example:Flow quantity of 50 m 3 /h and a sensor dimension of DN 80 givesa flow velocity of 2.7 m/s, which is within the recommen<strong>de</strong>dmeasuring range of 1 to 3 m/s.Flow velocity calculation formulav = 1273.24 ⋅ Q / DN 2 orv = 353.68 ⋅ Q / DN 2Unitsv : [m/s], Q : [l/s], DN : [mm]v : [m/s], Q : [m 3 /h], DN : [mm]Link to "Sizing program":https://pia.khe.siemens.com/in<strong>de</strong>x.aspx?nr=115014/22 <strong>Siemens</strong> FI 01 · 2009March 2009

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