Index: firmware/App/Drivers/ConductivitySensors.c
===================================================================
diff -u -rbc7dad193df69c64cf213db463e5115b1ba8a5f0 -r06ac22ce57b9e06588efc5e19f23ff33ddfe3b75
--- firmware/App/Drivers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision bc7dad193df69c64cf213db463e5115b1ba8a5f0)
+++ firmware/App/Drivers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 06ac22ce57b9e06588efc5e19f23ff33ddfe3b75)
@@ -172,16 +172,44 @@
         conductivitySensorCoefficients[ sensor ].K_high             = 4.1F;
         conductivitySensorCoefficients[ sensor ].alpha_high         = 0.02F;
         conductivitySensorCoefficients[ sensor ].eta_high           = 1.0F;
-        conductivitySensorCoefficients[ sensor ].zeta_high          = 0.0F;
+//        conductivitySensorCoefficients[ sensor ].zeta_high          = 0.0F;
         conductivitySensorCoefficients[ sensor ].K_low              = 4.1F;
         conductivitySensorCoefficients[ sensor ].alpha_low          = 0.02F;
         conductivitySensorCoefficients[ sensor ].eta_low            = 1.0F;
-        conductivitySensorCoefficients[ sensor ].zeta_low           = 0.0F;
+        conductivitySensorCoefficients[ sensor ].zeta_low           = -76.4F;
         conductivitySensorCoefficients[ sensor ].beta               = 0.25F;
         conductivitySensorCoefficients[ sensor ].delta              = -250.0F;
         conductivitySensorCoefficients[ sensor ].reserved1          = 0.0F;
         conductivitySensorCoefficients[ sensor ].reserved2          = 0.0F;
 
+        // Beta 2 - Unit 04
+        if ( ( P9_COND == sensor ) || ( P18_COND == sensor )  || ( D74_COND == sensor ) )
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -6.42F;
+        }
+        else if ( ( D17_COND == sensor ) || ( D27_COND == sensor )  || ( D29_COND == sensor ) )
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -14.4F;
+        }
+        else
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -6.65F;
+        }
+
+        // Beta 2 - Unit 05
+        if ( ( P9_COND == sensor ) || ( P18_COND == sensor )  || ( D74_COND == sensor ) )
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -28.6F;
+        }
+        else if ( ( D17_COND == sensor ) || ( D27_COND == sensor )  || ( D29_COND == sensor ) )
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -38.35F;
+        }
+        else
+        {
+            conductivitySensorCoefficients[ sensor ].zeta_high          = -6.65F;
+        }
+
         memset( conductivitySensorRevisions[ sensor ].swRev, 0, sizeof( U08 ) * CONDUCTIVITY_CAL_CHAR_LENGTH );
         memset( conductivitySensorRevisions[ sensor ].hwRev, 0, sizeof( U08 ) * CONDUCTIVITY_CAL_CHAR_LENGTH );
         memset( conductivitySensorRevisions[ sensor ].hwSerial, 0, sizeof( U08 ) * CONDUCTIVITY_CAL_CHAR_LENGTH );