Rosemount 1221 Differential Pressure Transducer

Rosemount 1221 Differential Pressure Transducer
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The Rosemount 1221 senses pressure change through the use of a capacitive pressure sensing capsule. As pressure changes, a change in capacitance occurs. This change is detected and converted to a low impedance, high level DC voltage signal by the signal-conditioning circuitry in the unit.
 

Specifications:

Pressure Range -10 psi to +10 psi differential
Output Voltage -5 Vdc to +5 Vdc
Input Power +-15 Vdc
Operating Range -65° F to 160° F