Piezoresistive Pressure Transducer Series 13
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Piezoresistive Pressure Transducer Series 13 - 1

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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