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OCTOBER 1997
SURSENSE™ Ultra Low Pressure Sensors
DCAL4 Series
Ratiometric 4-Volt Output High Accuracy Compensation Full Scale Pressure Ranges 0 to 1 in. H2O to 0 to 30 in. H2O ± 0 to ± 1 in. H2O to ± 0 to ± 30 in. H2O DESCRIPTION
The SURSENSE™ line of ultra low pressure sensors is based upon a proprietary, patent applied for technology designed to reduce all output offset or common mode errors. These sensors utilize a silicon, micromachined sensing element which features a unique stress concentration enhanced structure to provide a highly stable linear output that is proportional to applied pressure. Output offset errors due to changes in temperature, warm-up, long term stability and position sensitivity have all been significantly reduced when compared to conventional sensors.