Piezoresistive Pressure Transducer Series 11
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Piezoresistive Pressure Transducer Series 11 - 1

Piezoresistive Pressure Transducers Series 11absolute- and gauge pressure The KELLER Series 10 sensor is mounted with the compensation resistors in a stainless steel housing. The sensor floats on an O-ring seal and is therefore free of any housing stresses. It is particularly suited in connection with uP-based signal processing. Transducers can be ordered with the coefficients of a mathematical model ready for integration with a uP-based system. Error Bands of 0,1%...0,01 %FS are achievable, depending on the temperature ranges. Whilst the Series 11 fulfils all the classical functions expected of a mV-transducer, it is often used in development of larger OEM projects to test the performance of the KELLER OEM sensors. As a special order, any OEM sensor from Series 3 to 10 can be ordered in such a housing, with or without integrated compensation resistors. The customer can then verify that the chosen OEM sensor is suitable for the application. Output Signal nominal 20 35 60 100 175 Output Signal nominal 175 175 175 175 175 175 mV PAA: Absolute. Zero at vacuum PA: Sealed Gauge. Zero at atmospheric pressure (at calibration day) PR: Vented Gauge. Zero at atmospheric pressure PR: For negative pressure versus ambient, same (negative) signal as positive ranges. By changing +OUT and -OUT, signal is positive. Excitation Constant current, nominal 1 mA (max. 4 mA) Bridge Resistance 3500 O nominal Linearity + Hysteresis + Repeatability < 0,5 %FS (0,1 to 0,2 %FS with reduced FS signal) Zero Offset < 5 mV, fine adjustment of Zero with R5 > 20 O Long Term Stability < 0,25 mV typ. Option -10...80 °C < 0,025 mV / °C < 0,025% / ° C < 0,50 mV typ. Electrical Connection Binder 723 Material in Contact with Media Stainless Steel AISI 316L, Seal: Viton® Protection / Weight IP40, IP 65 with cable / 180 g Options Other materials and connections on request Electrical Connections KELLER Ges. fur Druckmesstechnik D-79798 Jestetten ^a +49 7745 9214 0 El eurocenter@keller-druck.com Edition 05/2005 Subject to alterations Companies approved to ISO 9001 lat www.keller-druck.com

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