Index: firmware/App/Drivers/ConductivitySensors.h
===================================================================
diff -u -rb04db69f541f245e543df343257bcbdb73fbbc3d -r3b64586791accd0b9e8d8978b40e2509bb86dfbe
--- firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision b04db69f541f245e543df343257bcbdb73fbbc3d)
+++ firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision 3b64586791accd0b9e8d8978b40e2509bb86dfbe)
@@ -8,7 +8,7 @@
 * @file    ConductivitySensors.h
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      14-Apr-2026
+* @date    (last)      15-Jun-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  13-Sep-2024
@@ -84,8 +84,8 @@
     F32 alpha_low;                                      ///< Temperature correction, low range, default = 0.02, range = [0.005, 0.04]
     F32 eta_low;                                        ///< Resistance scale factor, low range, default = 1, range = [0.5, 3]
     F32 zeta_low;                                       ///< Resistance offset, low range, default = 0, range = [-1000, 1000]
-    F32 beta;                                           ///< Temperature scale factor, default = 1, range = [0.5, 2]
-    F32 delta;                                          ///< Temperature offset, default = 0, range = [-10, 10]
+    F32 beta;                                           ///< Temperature scale factor, default = 1, range = [0.2, 1.0]
+    F32 delta;                                          ///< Temperature offset, default = 0, range = [-300, 300]
     F32 reserved1;                                      ///< Reserved cal slot.
     F32 reserved2;                                      ///< Reserved cal slot.
 } CONDUCTIVITY_COEFFICIENTS_T;
@@ -97,6 +97,17 @@
     U08 hwSerial[ CONDUCTIVITY_CAL_CHAR_LENGTH ];       ///< HW Serial Number.
 } CONDUCTIVITY_REVISIONS_T;
 
+typedef struct
+{
+    U32 sensorID;                                       ///< Sensor ID to request
+    CONDUCTIVITY_REVISIONS_T sensorVersion;             ///< version data for given sensor ID
+} CONDUCTIVITY_VERSION_RESPONSE_T;
+
+typedef struct
+{
+    U32 sensorID;                                       ///< Sensor ID to request
+    CONDUCTIVITY_COEFFICIENTS_T sensorCal;              ///< Cal data for given sensor ID
+} CONDUCTIVITY_CAL_RESPONSE_T;
 // ********** public function prototypes **********
 
 void initConductivitySensors( void );
@@ -105,6 +116,10 @@
 
 F32 getConductivity( CONDUCTIVITY_SENSORS_T sensor );
 F32 getConductivityTemperature( CONDUCTIVITY_SENSORS_T sensor );
+U08 getConductivityReadCount( CONDUCTIVITY_SENSORS_T sensor );
+U08 getConductivityTemperatureReadCount( CONDUCTIVITY_SENSORS_T sensor );
+F32 getConductivityRawResistance( CONDUCTIVITY_SENSORS_T sensor );
+F32 getConductivityRawRTD( CONDUCTIVITY_SENSORS_T sensor );
 
 BOOL testConductivitySensorConductivityReadingsOverride( MESSAGE_T *message );
 BOOL testConductivitySensorTemperatureReadingsOverride( MESSAGE_T *message );
@@ -120,6 +135,7 @@
 BOOL testFPConductivitySensorTemperatureReadCounterOverride( MESSAGE_T *message );
 BOOL testFPConductivitySensorTemperatureErrorCounterOverride( MESSAGE_T *message );
 BOOL testHandleConductivitySensorVersionRequest( MESSAGE_T *message );
+BOOL testHandleConductivitySensorCalRequest( MESSAGE_T *message );
 
 /**@}*/