Keller OEM Sensors, Transducers Series 11 Piezoresistive pressure transducers absolute 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 PAP-based signal processing. Transducers can be ordered with the coefficients of a mathematical model ready for integration with a PAP-base
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.
SPECIFICATIONS (Excitation I = 1 mA)
Ranges (FS)
Version PAA, PA, PR-110,10,20,51251020bar
Overpressure2,52,52,52,5371530bar
Output Signal nominal203560100175175175175mV
Version PA-11501002004006001000bar
Overpressure751503005007001100bar
Output Signal nominal175175175175175175mV
PR-11(negative range) -0,1-0,2-0,5-1bar
ExcitationConstant current, nominal 1 mA (max. 4 mA)
Bridge Resistance3500 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
StandardOption
Compensated Temperature Range0....50 °,C-10...80 °
- Temperature Coefficients of Zero< 0,0125 mV / °,C< 0,025 mV / °
- Temperature Coefficients of Sensitivity< 0,01 % / °,C< 0,025 % / °
Long Term Stability< 0,25 mV typ.< 0,50 mV typ.
Electrical ConnectionBinder 723
Material in Contact with MediaStainless Steel AISI 316L, Seal: Viton
Protection / WeightIP40, IP 65 with cable / 180 g
OptionsOther materials and connections on request
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