Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission

Regoli, Leonardo H.; Moldwin, Mark B.; Raines, Connor; Nordheim, Tom A.; Miller, Cameron A.; Carts, Martin; Pozzi, Sara A.

The results of two radiation test campaigns on a low-cost commercial off-the-shelf magnetometer are presented. The test setup and the total ionization dose (TID) levels studied were designed to meet the requirements of a mission to land on Europa. Based on the Europa Lander Science Definition Team report, instruments inside an aluminum vault at the surface of Europa would need to withstand TID of up to 300 inline-formulakrad(SI). In order to evaluate the performance of the PNI RM3100 magnetometer, nine separate sensors were irradiated at two different facilities during two separate campaigns and under different configurations, including passive and active tests. Of the nine sensors, seven survived the TID of 300 inline-formulakrad(SI) while the other two sensors started presenting failures after reaching 150 inline-formulakrad(SI). Post-irradiation tests showed that eight of the nine sensors continued to work without appreciable degradation after stopping exposure, while one sensor stopped working altogether.

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Regoli, Leonardo H. / Moldwin, Mark B. / Raines, Connor / et al: Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission. 2020. Copernicus Publications.

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Rechteinhaber: Leonardo H. Regoli et al.

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