Index: firmware/App/Drivers/PressureSensor.c
===================================================================
diff -u -r322747d530c1b8205be257557e53dcfe9caad50a -rafb05eebd86337012af4f6a9d21cb9a1e7f5f16a
--- firmware/App/Drivers/PressureSensor.c	(.../PressureSensor.c)	(revision 322747d530c1b8205be257557e53dcfe9caad50a)
+++ firmware/App/Drivers/PressureSensor.c	(.../PressureSensor.c)	(revision afb05eebd86337012af4f6a9d21cb9a1e7f5f16a)
@@ -32,7 +32,11 @@
 #define PRES_SENSORS_COUNT_ERROR_TIMEOUT_MS         ( 2 * MS_PER_SECOND )                               ///< Pressure sensors read and error count timeout in milliseconds.
 #define HIGH_PRES_MAX_PSI                           145.038F                                            ///< Convert pressure to PSI for 10 bar pressure sensor
 #define LOW_PRES_MAX_PSI                            50.7632F                                            ///< Convert pressure to PSI for 3.5 bar pressure sensor
+#ifndef __BETA_HW_VER__
 #define PRES_MIN_PSI                                0.0F                                                ///< Minimum value for PSI conversion
+#else
+#define PRES_MIN_PSI                                -14.5038F                                           ///< Minimum value for PSI conversion
+#endif
 #define ONE_BAR_TO_MILLI_BAR                        1000                                                ///< 1 bar to milli-bar conversion.
 #define COUNTS_TO_MILLI_BAR                         100                                                 ///< Counts to milli-bar conversion.
 #define BAR_TO_MMHG                                 ( 750.062F )                                        ///< Conversion factor for converting bar to mmHg.
@@ -142,9 +146,15 @@
 void readPressureSensors( void )
 {
     // Update and convert raw pressures to mmHg
+#ifndef __BETA_HW_VER__
     currentPressureReadings[ M1_PRES ].data = convertPressureReading( getFPGAM1PresRawPressure(), PRES_MIN_PSI, HIGH_PRES_MAX_PSI );
     currentPressureReadings[ M3_PRES ].data   = convertPressureReading( getFPGAM3PresRawPressure(),PRES_MIN_PSI, HIGH_PRES_MAX_PSI );
     currentPressureReadings[ D9_PRES ].data = convertPressureReading( getFPGAD9PresRawPressure(),PRES_MIN_PSI, HIGH_PRES_MAX_PSI );
+#else
+    currentPressureReadings[ M1_PRES ].data = convertPressureReading( getFPGAM1PresRawPressure(), PRES_MIN_PSI, LOW_PRES_MAX_PSI );
+    currentPressureReadings[ M3_PRES ].data   = convertPressureReading( getFPGAM3PresRawPressure(),PRES_MIN_PSI, LOW_PRES_MAX_PSI );
+    currentPressureReadings[ D9_PRES ].data = convertPressureReading( getFPGAD9PresRawPressure(),PRES_MIN_PSI, LOW_PRES_MAX_PSI );
+#endif
     currentPressureReadings[ D66_PRES ].data   = convertPressureReading( getFPGAD66PresRawPressure(), PRES_MIN_PSI, LOW_PRES_MAX_PSI );
     currentPressureReadings[ D51_PRES ].data = convertPressureReading( getFPGAD51PresRawPressure(), PRES_MIN_PSI, LOW_PRES_MAX_PSI );
     currentPressureReadings[ D18_PRES ].data   = convertPressureReading( getFPGAD18PresRawPressure(), PRES_MIN_PSI, LOW_PRES_MAX_PSI );