Airspeed sensor MS4525DO 
Description:
The mRo Classic airspeed sensor is equipped with a Measurement Specialties 4525DO sensor that has a 1 psi measurement range. Resolution is 0.84 Pa with data delivered at 14 bits from a 24 bit delta-sigma ADC via an I2C interface.
Pressure sensor:
• Current draw: 1-3mA at 5V
• Weight: 3.8g no tubing, pitot tube is 3.12g
• Dimensions: 23mmx16mmx9.8mm
Diagram
