Description
Overview
The 19003 is Holybro’s digital airspeed sensor built around the MS4525DO differential-pressure element, supplied as a set with the PT40 pitot tube. The module reports differential pressure over I2C at 14-bit pressure resolution, and the 1 psi range is the standard band used for airspeed sensing on small unmanned aircraft. The sensor board is small and light enough to mount close to the pitot line, which keeps tubing runs short.
Technical data
- Sensor element: MS4525DO
- Pressure range: 1 psi
- Interface: I2C
- I2C address: 0x28H
- Pressure resolution: 14 bit
- Temperature resolution: 11 bit
- Update time: 0.5 ms
- Module dimensions: 17 x 23 x 13 mm
- Module weight: 4.1 g
- Pitot tube supplied: PT40, 40 cm rubber tubing
Applications
Airspeed sensing on fixed-wing and VTOL unmanned aircraft, where true airspeed rather than ground speed is needed to hold stall margin, trim cruise and correct for wind. A differential-pressure module of this type is plumbed to the pitot and static ports and read by the flight controller over its I2C bus.
Sourcing from BOLTON
BOLTON Technical Equipment Supplies sources and supplies 19003 against request for quotation for defence, aerospace, UAV/UAS, MRO and industrial programmes across the UAE, Saudi Arabia and Australia. Pricing, lead time and documentation requirements (for example certificate of conformity, manufacturer datasheets or test reports where applicable) are confirmed against your RFQ. Add this item to your RFQ basket to request a quotation.
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