Piezoresistive Pressure Transducer Series 13 - 1 Pages

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Piezoresistive Pressure Transducer Series 13

Catalog excerpts

Piezoresistive Pressure Transducers    Series 13for media temperatures up to 350 0C Watercooled pressure transducers are used for accurate static and dynamic measurements in fluids up to 350 °C. The sensor, an integrated silicon cell with four diffused strain gauge resistors, is located in the watercooled section of the oil-filled body. The oil transmits the pressure from the flush steel diaphragm to the sensor, isolating it from the temperature of the media. This allows very accurate pressure measurements over a wide temperature range without influencing the pressure or flow conditions. Originally developed for blow down tests on water-cooled reactors, these transducers find many applications in high temperature chemical reactions and engine tests. Specifications Series PA(A)-13 Low Pressure Pressure Ranges    10    20 Series PA(A)-13 High Pressure Pressure Ranges    400    600 PA: Sealed Gauge. Zero at atmospheric pressure (at calibration day) Linearity, incl. Hysteresis Repeatability Zero Operating Temperature < 0,5 %FS (0,1 /0,2 %FS at reduced Full Scale) < 0,1 %FS < 20 mV (compensatable externally with R5) 20.. .350 °C media temperature Temperature Coefficients of Zero with Change of Media Temperature < 1 mV / 100 °C Temperature Coefficients of Zero with Change of Cooling Water Temp. < 0,05 mV / °C Cooling Water Flow Rate Cooling Water Temperature Rise Natural Frequency (Resonance) Material Housing Material Diaphragm « 0,2 l / Min. * 5 °C / 100 °C media temperature > 5 kHz Stainless Steel 1.4435 (opt. Hastelloy C-276) Stainless Steel 1.4435 (opt. Hastelloy C-276) Electrical Connections blue    -OUT black    +IN white    -IN yellow    -IN KELLER AG fur Druckmesstechnik CH-8404 Winterthur ^ +41 52 235 25 25 E info@keller-druck.com KELLER Ges. fur Druckmesstechnik mbH D-79798 Jestetten +49 7745 9214 0 E3 eurocenter@keller-druck.com Version 02/2004 Anderungen vorbehalten Unternehmen zertifiziert nach ISO 9001 Ini' www.keller-druck.com

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