Keller OEM Sensors, Transducers Series 13 High temperature water cooled pressure transducer

Watercooled pressure transducers are used for accurate static and dynamic measurements in fluids upto 350 !aC. The sensor, an integrated silicon cell with four diffused strain gauge resistors, is locatedin 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 manyapplications in high temperature chemical reactions and engine tests.
SPECIFICATIONS
SERIES PA 13 LOW PRESSURE
Pressure Ranges102050100200400bar
Overpressure153075150300500bar
Signal Output typ.100010001000100010001000mV
ERIES PA 13 HIGH PRESSURES
Pressure Ranges4006001000bar
Overpressure5007001100bar
Signal Output typ.100010001000
PA: Sealed Gauge. Zero at atmospheric pressure (at calibration day)
Linearity, incl. Hysteresis< 0,5% FS (0,1 /0,2% FS at reduced Full Scale)
Repeatability<  0,1% FS
Zero< 20mV (compensatable externally with R5)
Operating Temperature20!-350!aC  media temperatu
Temperature Coefficients of Zero
with Change of Media Temperature< 1mV /100!a
Temperature Coefficients of Zero
with Change of Cooling Water Temp.< 0,05mV/!a
Cooling Water Flow Rate 0,2l/Min.
Cooling Water Temperature Rise 5!aC /100 !aC  media temperatu
Natural Frequency (Resonance)>5kHz
Material Housing Stainless Steel 1.4435 (opt. Hastelloy C-276)
Material Diaphragm Stainless Steel 1.4435 (opt. Hastelloy C-276)

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