QRAE II diffusion Fimrware Version 1.11A

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This firmware version enables QRAE II diffusion model to work with AutoRAE controller fw 5.00

WARNING: this firmware version also enables QRAE II diffusion Oxygen sensor 2 points calibration. Therefore you MUST use 4 gas mix with 18% oxygen in order to manually or automatically calibrate the QRAE II diffusion.

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