Piezoresistive OEM Pressure Transducers Series 9


Catalog excerpts

Piezoresistive OEM Pressure Transducers Series 9 - 1

Piezoresistive OEM Pressure Transducers sealed gauge, absolute, vented gauge, differential The Series 9 pressure sensor is the most economic version for pressure ranges from 100 mbar to 200 bar. The standard version is supplied with connecting pins (leadouts are fitted only on request) and the serial number is not engraved. A high-sensitivity piezoresistive silicon chip is used for pressure sensing. The chip is protected against ambient influences by a stainless steel housing sealed with a concentrically corrugated diaphragm. The housing is filled with silicone oil for the transfer of the pressure from the d ­ iaphragm to the sensing component. All metal parts in contact with the pressure media are made of stainless steel 316 L. The fully welded housing is vacuum-tight. The connecting pins allow direct PCB mounting or can be used for connecting cables. Typical Applications: Measurement of altitude, aviation electronics, meteorology, servo controls, robotics, hydraulics, sanitary and pharmaceutical engineering, underground mining, injection engineering… Rugged, Small Dimensions, Light Weight The piezoresistive chip immersed in silicone oil is welded into a housing made of stainless steel 316L. Diameter 19 mm; Height 5 mm; Weight 8 grammes. High Sensitivity A nominal signal of 200 mV is obtained at a supply current of 1 mA for standard pressure ranges above 2 bar. Ranges from 0,1 to 200 bar Absolute pressure, sealed gauge, differential, barometric, vented gauge and wet/wet differential. Quality Each pressure transducer is subjected to comprehensive tests for its pressure response and temperature characteristics, and is delivered with an individual calibration certificate stating the characteristics as well as the results of all tests which were performed. Special testing is avai­able if demanded by the customer. l The Series 9 can also be delivered with a laser welded media isolation diaphragm (see data sheet Series 3 L - 10 L). The technique for laser welding stainless steel diaphragms further improves the resistancy against crevice corrosion and still retains all the traditional performance, stability and quality for which KELLER is renowned. Electrical Connections (blue) - SORTIE KELLER AG für Druckmesstechnik CH-8404 Winterthur +41 52 235 25 25 info@keller-druck.com 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.ke

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Piezoresistive OEM Pressure Transducers Series 9 - 2

□ KELLER Standard Pressure Ranges (FS) PD, Line Pressure < 100 bar PAA: Absolute. Zero at vacuum PA: Sealed Gauge. Zero at atmospheric pressure (at calibration day) PR: Vented Gauge. Zero at atmospheric pressure PD: Differential * ± 40% Bridge Resistance @ 25 °C Constant Current Supply Isolation @ 500 VDC Storage-/ Operating Temperature Kompensierter Bereich Vibration (20 up to 5000 Hz) Endurance @ 25 °C Housing and Diaphragm Seal Ring Oil Filling Weight Dead Volume Change @ 25 °C Electrical Wires (optional) Accuracy (2) Offset at 25 °C Temperature Coefficient - Zero max. - Sensitivity...

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