Piezoresistive pressure transducers Series 6 S / 6 M
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Piezoresistive pressure transducers Series 6 S / 6 M - 1

Piezoresistive Pressure Transducers vented gauge and absolute pressure These piezoresistive pressure transmitter-heads are produced on the new KELLER automatic brazing lines, making possible the mass production of high quality pressure transmitters at low cost. This new technology allows the crevice-free construction of the pressure port without using seals or O-rings. In the brass sensor line (Series 6 M), a steel insert and a nickel diaphragm are brazed into a brass housing. In the steel version (Series 6 S), all parts are of stainless steel (AISI 316 L). The header with the silicon pressure sensor and the glass feed-through pins are welded to the steel insert underneath the oil filling. These transducers are the ideal basis for pressure transmitters, pressure switches or digital pressure instruments. The transducer heads come in 3 basic versions: Series 6 S / 6 M: Ranges 5…200 bar (Compact-Version) 6 M: Version in brass, lowest price, accuracy 1 %FS. Ranges 5…200 bar 6 S: Stainless steel, highest performance, accuracy 0,5 %FS. Ranges: 0,3…1000 bar Series 6 S and 6 M are low cost sensors for OEM use, tested for function only, with no calibration data ­ upplied. Series 6 ST is supplied tested, with calibration certificate: Linearity, sensitivity, s zero point, temperature coefficients 0…50 °C and compensation resistor values (resistors not supplied). KELLER AG für Druckmesstechnik CH-8404 Winterthur +41 52 235 25 25 info@keller-druck.com KELLER Ges. für Druckmesstechnik mbH D-79798 Jestetten +49 7745 9214 0 eurocenter@keller-druck.com Edition 05/1999 Subject to alterations Companies approved to ISO 9001 www.kelle

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Piezoresistive pressure transducers Series 6 S / 6 M - 2

□ KELLER Specifications Excitation I = 1 mA Pressure Ranges (FS) and Overpressure in Bar. Signal Output in mV. PR-6 -1 -0,5 -0,3 0,3 0,5 1 2 5 10 20 PAA: Absolute, Zero at vacuum PA: Sealed Gauge, Zero at atmospheric pressure (at calibration day) PR: Vented Gauge, Zero at atmospheric pressure 11 ± 40% Bridge Resistance @ 25 °C Offset @ 25 0C 1 mA Constant Current Supply Insulation @ 500 VCC Operating Temperature Compensated Range Storage Temperature Vibration (5 to 2000 Hz) Shock Endurance (FS @ 25 °C) Housing and Diaphragm Pressure Connection Oil...

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