Index: firmware/App/Controllers/ConcentratePumps.h
===================================================================
diff -u -rc0160362dc799802ec589d5b6cf4c2bd1face77e -re6f3a632890f96a5aa282922d11df148bdd06587
--- firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision c0160362dc799802ec589d5b6cf4c2bd1face77e)
+++ firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision e6f3a632890f96a5aa282922d11df148bdd06587)
@@ -31,6 +31,8 @@
 
 // ********** public definitions **********
 
+#define CONCENTRATE_PUMP_MAX_SPEED              48.0            ///< Maximum speed for concentrate pump in mL per min.
+
 /// Enumeration of concentrate pumps.
 typedef enum ConcentratePumps
 {
@@ -60,6 +62,7 @@
 void requestConcentratePumpsOff( CONCENTRATE_PUMPS_T pumpId );
 
 void setConcentratePumpTargetSpeed( CONCENTRATE_PUMPS_T pumpId, F32 targetSpeed_ml_min );
+F32 getMeasuredPumpSpeed( CONCENTRATE_PUMPS_T pumpId );
 
 DG_ACID_CONCENTRATES_RECORD_T getAcidConcentrateCalRecord( void );
 DG_BICARB_CONCENTRATES_RECORD_T getBicarbConcentrateCalRecord( void );