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ESCP-SAPT, pressure transmitter for satellite propulsion systems

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ES Systems is currently developing an ITAR free family of Standard Accuracy Pressure Transducers (SAPT) for space applications. ESCP-SAPT can be integrated within propulsion systems in order to measure the static pressure of the propellant fluid. ESCP-SAPT is compatible with various fluids, including the new generation of green propellants.

ESCP-SAPT pressure transmitters consist of a MEMS capacitive pressure sensor die, which is underpinned by ES’ innovative microfabrication process that has been proven suitable for the mechanical, radiation and temperature environment of space applications. The full custom, radiation-hardened signal conditioning IC was designed entirely by ES, utilizing a standard deep submicron CMOS process of a European foundry.

ESCP-SAPT is an all-welded Titanium (Ti6AI4V) sensor, optimized to achieve the lowest mass possible (<160 g) combined with compact size (110mm x 55mm x 40mm) while being compatible with both low-pressure ranges (7 bar, 22bar) and high-pressure ranges (150 bar, 310 bar).

ESCP-SAPT features an analog pressure output (0-5 V) along with temperature reading to accommodate offline calibration and temperature compensation and reach an accuracy of ±0.3 % FS. *Developments are made under an activity funded by the European Space Agency. The view expressed herein can in no way be taken to reflect the official opinion of the European Space Agency.

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