High-Temperature OEM Pressure Transducer Series 7 LI


Catalog excerpts

High-Temperature OEM Pressure Transducer Series 7 LI - 1

High-Temperature OEM Pressure Transducer 200 °c The Series 7 LI OEM pressure transducers, ø 15 mm, are designed for high-pressure and hightemperature applications. Robust and corrosion-resistant A high-sensitivity piezoresistive silicon chip is built in as the pressure-sensing element. Pressure is transmitted via an oil filling. The upstream separating diaphragm completely isolates the pressure chip from the medium to be measured. The fully heat-sealed housing and the laser-welded separating diaphragm are made of Inconel 718, which aside from its strength also guarantees a high resistance to aggressive media. High sensitivity Thanks to the piezoresistive technology, the typical full signal output for all available measuring ranges is 150 mV with a constant current supply of 1 mA. Flexible use The absolute pressure transducers are available in four nominal measuring ranges from 200 to 1000 bar, with a maximum permissible operating temperature of 200 °C. The transducer may optionally be provided with an integrated PT100 or PT1000 temperature probe, making independent temperature detection possible. Quality Each pressure transducer is carefully tested for pressure and temperature properties, and is supplied together with an individual calibration sheet setting out its characteristic values and the results of all tests carried out. Special testing programmes can be carried out on request. For high-precision compensation, a mathematical model can be established over the desired pressure and temperature range. Electrical Connections 5-Pin Transducer with Temperature Probe KELLER AG für Druckmesstechnik CH-8404 Winterthur +41 52 235 25 25 info@keller-druck.com Half-open measuring bridge Closed measuring bridge KELLER Ges. für Druckmesstechnik mbH DE-79798 Jestetten +49 7745 9214 0 eurocenter@keller-druck.com Edition 06/2016 Subject to alterations Companies approved to ISO 9001 www.keller-dr

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High-Temperature OEM Pressure Transducer Series 7 LI - 2

PAA: Absolute. Zero at vacuum Output Signal @ Supply 1 mA Constant Current Supply Compensated Range Storage-/Operating Temperature Seal Ring Support Ring Dead Volume Change @ 25 °C Temperature Coefficient Long Term Stability typ. The sensor characteristics may be influenced by installation conditions. Please follow the installation instructions on our product-specific web pages. (1) Including linearity, hysteresis and repeatability. Linearity calculated as best straight line through zero. Note: Generally, accuraand overload is improved by factor of 2 to 4 if the sensor is used in the range...

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