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The 230EA-01000DB Baratron® Absolute Pressure Transmitter features 1,000 Torr full scale pressure measurement with 0.5% reading accuracy, and a size NW16 ISO-KF fitting. This design of the 230E offers superior temperature compensation, a dual electrode design, and a higher operating temperature. With the 230E, pressure is determined by measuring the change in capacitance between the Inconel® diaphragm and an adjacent dual electrode. The diaphragm deflects as a result of pressure changes causing a change in the capacitance between the diaphragm and the electrode. An electronic circuit converts the pressure sensitive capacitance to a precise linear 4-20 mA current output. It also permits an accuracy specification as a percentage of output reading, rather than in terms of Full Scale reading.