The MS4525DO is a small, ceramic based, PCB mounted pressure transducer from Measurement Specialties.
Overpressure : 300 psi
Pressure (psi): 1, 2, 5, 15, 30, 50, 100, 150
Sensor Type : Digital Pressure and Altimeter Sensor Modules
Type : Absolute, Compound, Differential, Gage, Vacuum
Output/Span : 14 bit ADC